Patriot Exhaust® H8089-1 - Steel Metallic Ceramic Coated Long Tube Exhaust Headers

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$679.49
In Stock (2) - Ships in 3 to 5 days
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Product Details

Steel Long Tube Exhaust Headers (H8089-1) by Patriot Exhaust®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Emissions: EPA compliant. Color: Silver. Header Coating: Ceramic Coating. Header Style: Long Tube. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built from top-grade materials to ensure high quality and provide years of reliable service.

Specifications:

Header Material: Steel
Finish: Metallic Ceramic Coated
Header Style: Long Tube
Primary Diameter: 1.75"
Collector Diameter: 3"
Emissions: EPA compliant
Quantity: 1 Pair
Inlet Port Shape: Oval
Primary Tube Gauge: 18 Gauge

Features:

  • Expertly crafted from premium materials
  • Quality design and workmanship
  • Durable construction for long service

Full length headers are typically used for higher RPM horsepower, but can also increase the mid range torque in applications were there is room to fit a long tube design. Comes complete with gaskets, header bolts and collector reducers.

This Patriot Exhaust product is an excellent way to experience the improvement of the performance of your vehicle. Designed with utmost care and attention to detail, it provides unmatched durability and strength, even in extreme operating conditions. This top-notch product is made from first-rate materials to ensure long service life. If you choose Invidia, you can stay assured that you'll get the top-quality product you can trust since Invidia does its utmost to design and manufacture only reliable parts that operate at their maximum performance level for as long as possible.

Patriot Exhaust® Products is known as the primary exhaust provider to the street rod, custom car and muscle car enthusiast. It continues the tradition of delivering quality products and offering the best value for the dollar of any header brand in the industry for more than 40 years. The brand offers many different style mufflers to adjust the sound of your ride and best suit your needs, from the classic Smithy's®, the world's oldest performance muffler for that "resto-rod" or your 1950's custom to a Varaflow® Tunable Muffler allowing you to tune out annoying drones on the highway and make more noise on “Cruise Night.” At Patriot Exhaust, they also make several classic header and exhaust styles, ranging from Lakester style headers for the Bonneville and Dry Lakes look to Fenderwell headers for the gasser look. Plus, the brand has many racing headers and DIY weld-up header kits and exhaust accessories and tubing to help you get your project off the ground and closer to completion.

Part Number:
H8089-1
UPC:
694342537272

Warranty Information

Limited One Year Warranty


All Patriot exhaust products are guaranteed, to the original purchaser, to be free of defects in materials and workmanship for one year. This warranty covers the replacement/repair of the product only and does not cover the cost of removal and installation, customer-applied aftermarket coatings or any discoloration or corrosion of chrome finished surfaces.


Damage or product failure resulting from collision, improper installation, off-road use, road hazards, the use of exhaust insulating wrap or alike products or rust occurring after installation, is not covered by the warranty. The warranty extends only to the original purchaser.


Should a part become defective, it should be returned to the original selling retailer or the factory.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Chevy Avalanche
2013 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Avalanche
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Blazer
1994 Chevy Blazer
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 Chevy Blazer
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 Chevy Blazer
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 Chevy Blazer
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 Chevy Blazer
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 Chevy Blazer
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 Chevy Blazer
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy Blazer
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy Blazer
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy Blazer
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy Blazer
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy C3500
2004 Chevy C3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy C3500
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy CK Pickup
2002 Chevy CK Pickup
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy C3500HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy CK Pickup
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy C3500HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy CK Pickup
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy C3500HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy C3500HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 Chevy C3500HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 Chevy C3500HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy C3500HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 Chevy CK Pickup
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 Chevy C1500 / C2500 / K1500 / K2500
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy CK Pickup
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Camaro
2018 Chevy Camaro
  • 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2017 Chevy Camaro
  • 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Camaro
  • 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Camaro
  • 6.2L / 7.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Camaro
  • 6.2L / 7.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Camaro
  • 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Camaro
  • 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Camaro
  • 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Camaro
  • 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 Chevy Camaro
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 Chevy Camaro
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 Chevy Camaro
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 Chevy Camaro
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 Chevy Camaro
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 Chevy Camaro
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy Camaro
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy Camaro
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy Camaro
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy Camaro
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Caprice
2017 Chevy Caprice
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Caprice
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Caprice
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Caprice
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Caprice
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Caprice
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Caprice
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy Caprice
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy Caprice
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 Chevy Caprice
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 Chevy Caprice
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 Chevy Caprice
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 Chevy Caprice
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 Chevy Caprice
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 Chevy Caprice
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 Chevy Caprice
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy Caprice
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy Caprice
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy Caprice
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy Caprice
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Cheyenne
2017 Chevy Cheyenne
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Cheyenne
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Cheyenne
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Cheyenne
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Cheyenne
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Cheyenne
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Cheyenne
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Cheyenne
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Cheyenne
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Cheyenne
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Cheyenne
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Colorado
2012 Chevy Colorado
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Colorado
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Colorado
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Colorado
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Commercial Chassis
1994 Chevy Commercial Chassis
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 Chevy Commercial Chassis
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 Chevy Commercial Chassis
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Corvette
2018 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2017 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy Corvette
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy El Camino
1987 Chevy El Camino
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy El Camino
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy El Camino
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy El Camino
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Express
2017 Chevy Express
  • 4.8L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 2500 / 3500 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2017 Chevy Express Cargo / Express Pasajeros
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Express
  • 4.8L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Express Cargo / Express Pasajeros
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Express
  • 4.8L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Express Cargo / Express Pasajeros
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Express
  • 4.8L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Express / Express Cargo
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Express Pasajeros
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Express
  • 4.8L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Express / Express Cargo
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Express Pasajeros
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Express
  • 4.8L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Express / Express Cargo
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Express Pasajeros
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Express
  • 4.8L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Express / Express Cargo
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Express Pasajeros
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Express
  • 4.8L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Express / Express Cargo
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Express Pasajeros
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Express
  • 4.8L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Express / Express Cargo
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Express Pasajeros
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Express
  • 4.8L / 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Express
  • 4.8L / 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Express
  • 4.8L / 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Express
  • 1500 / 2500 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 4.8L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy Express
  • 1500 / 2500 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 2500 4.8L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Express
  • 1500 / 2500 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 2500 4.8L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Express
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Express
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy Express
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy Cargo Van / Express
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy Express
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy Cargo Van
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 Chevy Express
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 Chevy Cargo Van
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 Chevy Express
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 Chevy Cargo Van
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy Express
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy G-Series
1996 Chevy G-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy G-Series
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy G20 / G30
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 Chevy G-Series
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 Chevy G20 / G30
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy G-Series
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Impala
2009 Chevy Impala
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Impala
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Impala
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Impala
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy Impala
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy Impala
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 Chevy Impala
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy Impala
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy Impala
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy L30
2000 Chevy L30
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy L30
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Monte Carlo
2007 Chevy Monte Carlo
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Monte Carlo
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 Chevy Monte Carlo
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy Monte Carlo
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy Monte Carlo
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy Monte Carlo
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy Monte Carlo
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy P-Series
2002 Chevy P-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy P30
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 Chevy P30
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 Chevy P30
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy P30
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy P60 / P6000
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy P-Series
  • 5.7L / 6.0L / 6.6L / 7.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 Chevy P-Series
  • 5.7L / 6.0L / 6.6L / 7.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 Chevy P-Series
  • 5.7L / 6.0L / 6.6L / 7.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 Chevy P-Series
  • 5.7L / 6.0L / 6.6L / 7.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 Chevy P-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 Chevy P-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 Chevy P-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 Chevy P-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy P-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy P-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy P-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy P-Series
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy SS
2017 Chevy SS
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy SS
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy SS
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy SS
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy SSR
2006 Chevy SSR
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy SSR
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy SSR
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy SSR
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Silverado 1500
2017 Chevy Silverado 1500
  • 5.3L / 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Silverado 1500
  • 5.3L / 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Silverado 1500
  • 5.3L / 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Silverado 1500
  • 5.3L / 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L / 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L / 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L / 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L / 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L / 6.2L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Silverado 1500 HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Silverado 1500 HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Silverado 1500
  • 4.8L / 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Silverado 1500 HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Silverado 1500
  • 4.8L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Silverado 1500 HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Silverado 1500
  • 4.8L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Silverado 1500 HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy Silverado 1500
  • 4.8L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy Silverado 1500
  • 4.8L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Silverado 2500
2017 Chevy Silverado 2500
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2017 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Silverado 2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Silverado 2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Silverado 2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Silverado 2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Silverado 2500
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Silverado 2500
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Silverado 2500
  • 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Silverado 2500
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy Silverado 2500 / Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Silverado 2500 / Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Silverado 2500
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Silverado 2500 / Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Silverado 2500
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Silverado 2500 / Silverado 2500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy Silverado 2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy Silverado 2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Silverado 3500
2017 Chevy Silverado 3500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Silverado 3500 / Silverado 3500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Silverado 3500 / Silverado 3500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Silverado 3500
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Silverado 3500 / Silverado 3500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Silverado 3500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Silverado 3500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Silverado 3500 / Silverado 3500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Silverado 3500 / Silverado 3500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Silverado 3500 / Silverado 3500 HD
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Silverado 3500
  • 5.7L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Silverado 3500
  • 5.7L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Silverado 3500
  • 5.7L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy Silverado 3500
  • 5.7L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Silverado 3500
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Silverado 3500
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Silverado 3500
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Suburban
2018 Chevy Suburban
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2017 Chevy Suburban
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2017 Chevy Suburban 3500 HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Suburban / Suburban 3500 HD
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Suburban
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Suburban / Suburban 1500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Suburban
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Suburban
  • 2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Suburban
  • 2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Suburban
  • 2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Suburban
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Suburban
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Suburban
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Suburban
  • 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Suburban
  • 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy Suburban
  • 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Suburban
  • 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Suburban
  • 5.3L / 5.7L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Suburban
  • 5.3L / 5.7L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy Suburban
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy C1500 Suburban / C2500 Suburban / K1500 Suburban / K2500 Suburban / Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 Chevy C1500 Suburban / C2500 Suburban / K1500 Suburban / K2500 Suburban / Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 Chevy C1500 Suburban / C2500 Suburban / K1500 Suburban / K2500 Suburban / Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy C1500 Suburban / C2500 Suburban / K1500 Suburban / K2500 Suburban / Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy C1500 Suburban / C2500 Suburban / K1500 Suburban / K2500 Suburban / Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 Chevy C1500 Suburban / C2500 Suburban / K1500 Suburban / K2500 Suburban / Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 Chevy C1500 Suburban / C2500 Suburban / K1500 Suburban / K2500 Suburban / Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 Chevy C1500 Suburban / C2500 Suburban / K1500 Suburban / K2500 Suburban / Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 Chevy R1500 Suburban / R2500 Suburban / Suburban / V1500 Suburban / V2500 Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 Chevy R1500 Suburban / R2500 Suburban / Suburban / V1500 Suburban / V2500 Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 Chevy R1500 Suburban / R2500 Suburban / V1500 Suburban / V2500 Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 Chevy R10 Suburban / R20 Suburban / V10 Suburban / V20 Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy Suburban
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy R10 Suburban
  • 5.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 Chevy R10 Suburban / R20 Suburban / V10 Suburban / V20 Suburban
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 Chevy Suburban
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 Chevy Suburban
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 Chevy Suburban
  • 5.0L / 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Tahoe
2017 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 Chevy Sonora / Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 Chevy Sonora / Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 Chevy Sonora / Tahoe
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 Chevy Tahoe
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 Chevy Tahoe
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 Chevy Tahoe
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 Chevy Tahoe
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 Chevy Tahoe
  • 5.7L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
Chevy Trailblazer
2009 Chevy Trailblazer
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 Chevy Trailblazer
  • 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2007 Chevy Trailblazer
  • 5.3L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Trailblazer
  • 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2006 Chevy Trailblazer / Trailblazer EXT
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2005 Chevy Trailblazer EXT
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2004 Chevy Trailblazer EXT
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2003 Chevy Trailblazer EXT
  • 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
GMC CK Pickup
2002 GMC CK Pickup
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 GMC CK Pickup
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 GMC C2500 / C3500 / C3500HD / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 GMC C1500 / C2500 / C3500 / C3500HD / K1500 / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 GMC C1500 / C2500 / C3500 / C3500HD / K1500 / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 GMC C1500 / C2500 / C3500 / C3500HD / K1500 / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 GMC C1500 / C2500 / C3500 / C3500HD / K1500 / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 GMC C1500 / C2500 / C3500 / C3500HD / K1500 / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 GMC C1500 / K2500
  • Sierra SL / Sierra SLE / Sierra SLT
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 GMC C1500
  • Sierra Special
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 GMC C2500 / C3500 / C3500HD / K1500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 GMC K1500
  • Sierra / Sierra SLE / Sierra SLX / Sierra Sport
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 GMC C1500 / C2500 / C3500 / C3500HD / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 GMC C1500 / C2500 / C3500 / C3500HD / K1500 / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 GMC C1500 / C2500 / C3500 / C3500HD / K1500 / K2500 / K3500 / R3500 / V3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 GMC K1500
  • Sierra / Sierra SLE / Sierra SLX
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 GMC C1500 / C2500 / C3500 / K2500 / K3500 / R3500 / V3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 GMC C1500 / C2500 / C3500 / K1500 / K2500 / K3500 / R2500 / R3500 / V3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 GMC C1500 / C2500 / C3500 / K1500 / K2500 / K3500 / R2500 / R3500 / V3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 GMC R1500 / R2500 / R3500 / V1500 / V2500 / V3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 GMC C1500 / C2500 / C3500 / K1500 / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 GMC C1500 / C2500 / C3500 / K1500 / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 GMC C1500 / C2500 / C3500 / K1500 / K2500 / K3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
GMC Caballero
1987 GMC Caballero
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 GMC Caballero
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 GMC Caballero
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 GMC Caballero
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
GMC Canyon
2012 GMC Canyon
  • SLE / SLT
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 GMC Canyon
  • SLE / SLT
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 GMC Canyon
  • SLE / SLT
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
GMC G-Series
1996 GMC G-Series
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 GMC G1500 / G2500 / G3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 GMC G1500 / G2500 / G3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 GMC G1500 / G2500 / G3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 GMC G1500 / G2500 / G3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 GMC G1500 / G2500 / G3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 GMC G1500 / G2500 / G3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 GMC G1500 / G2500 / G3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 GMC G3500
  • Magnavan / Rally / Rally Camper Special / Rally STX / Vandura / Vandura Special
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 GMC G1500 / G2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 GMC G3500
  • Magnavan / Rally / Rally Camper Special / Rally STX / Vandura / Vandura Special
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 GMC G1500 / G2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 GMC G3500
  • Magnavan / Rally / Rally Camper Special / Rally STX / Vandura / Vandura Special
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 GMC G1500 / G2500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 GMC G1500 / G2500 / G3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 GMC G1500 / G2500 / G3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
GMC Jimmy
1991 GMC Jimmy
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 GMC Jimmy
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 GMC Jimmy
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 GMC Jimmy
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 GMC Jimmy
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 GMC Jimmy
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 GMC Jimmy
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 GMC Jimmy
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
GMC P-Series
1999 GMC P-Series
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 GMC P-Series
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 GMC P-Series
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 GMC P3500 / P6000 / P6500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1995 GMC P3500 / P6000 / P6500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1994 GMC P3500 / P6000 / P6500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1993 GMC P3500 / P6000 / P6500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1992 GMC P3500 / P6000 / P6500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1991 GMC P-Series
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1990 GMC P3500 / P6000
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1989 GMC P2500 / P3500 / P6000
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1988 GMC P2500 / P3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1987 GMC P2500 / P3500 / P6000
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1986 GMC P2500 / P3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1985 GMC P2500 / P3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1984 GMC P2500 / P3500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
GMC Savana
2017 GMC Savana
  • 2.8L / 4.8L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 GMC Savana
  • Base
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 GMC Savana
  • Base 4.8L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 4.3L / 5.3L / 6.6L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 GMC Savana
  • Base 4.8L / 6.0L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
  • 4.3L / 5.3L / 6.6L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2012 GMC Savana
  • Base / LS / LT
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2011 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2010 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2009 GMC Savana
  • 4.3L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2008 GMC Savana
  • 4.3L / 5.3L
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2002 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2001 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2000 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1999 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1998 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1997 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
1996 GMC Savana
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
GMC Sierra 1500
2017 GMC Sierra 1500
  • Base / Denali / SLE / SLT
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2016 GMC Sierra 1500
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2015 GMC Sierra 1500
  • Base / Denali / SLE / SLT
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2014 GMC Sierra 1500
  • Base / Denali / SLE / SLT
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet Federal EPA standards ONLY. It is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states which follow CARB standards.
2013 GMC Sierra 1500
  • Base / Hybrid / SL / SLE / SLT / WT
  • Fits D-Port cylinder heads including ZZ4 crate engines.
  • Fits most angle plug heads.
  • Over frame design with outside exit and provision for exhaust system hookup (lakester style).
  • This is a Federal (EPA) compliant part, legal for use on vehicles built to meet F