Dynatech® - Black Painted Dirt Late Model Exhaust Headers

00 reviews|Item # 378477822
$319.99 - $365.99
In Stock - Ships within 24 hrs
1977 Chevy Blazer
Fits Following Model(s):
  • 5.0L / 5.7L / 6.6L with Angle or Straight Plug Heads with Chevy Small Block Engine
    This part for Racing or Off-Road use only.
  • California Proposition 65 Warning.
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    Product Details

    Chevy Blazer 5.0L / 5.7L / 6.6L with Angle or Straight Plug Heads with Chevy Small Block Engine 1977-1979, Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Color: Black. Header Coating: Painted. These Long Tube Dirt Late Model Headers are designed for use with straight or angle plug heads and standard Chevy engines.

    Notes: California Proposition 65 Warning.

    Fitment notes: This part for Racing or Off-Road use only.



    Finish: Black Painted
    Primary Diameter: 1.75"-1.875"
    Collector Diameter: 3.5"
    Emissions: Racing Only
    Thickness: 0.25"


    • Gaskets and bolts included
    • Machine surfaced flanges - no leaks
    • Precision laser-cut flanges
    • 17 gauge tubing - long header life
    • High temp ceramic coating (inside and out) available
    • 1 Year Limited Warranty


    • Exhaust Headers
    • Hardware
    • Gasket(S)

    The Long Tube design promotes excellent torque throughout the RPM range. Built to fit American Made, Barry Wright, Bullitt Morris, Rocket, Swartz and other chassis with a 2-5/8" engine offset.

    CNC Laser Cut Flanges and optimized tube length for best overall performance. 17 gauge steel construction and surfaced flanges make this a durable header that remains leak free for multiple racing seasons. Comes standard with a Full One Year Warranty. ½ sets (Crash Replacements) are also available.

    Professionally developed with a dedicated racer and performance builder in mind, this top-of-the-line exhaust product from Dynatech is right what the doctor ordered if you crave for supreme performance and powerful sound. This premium upgrade is designed and dyno tested for superior horsepower, torque and efficiency. It provides perfect fit and function.

    Dynatech® has been an industry-leading expert in the evolution of exhaust technology for over 20 years. One of the finest kept secrets of racers and performance builders, state-of-the-art exhaust systems and headers built by Dynatech have made a huge impact on the hot rod, circle track and drag racing world. Painstakingly designed and meticulously engineered, supreme quality Dynatech exhaust products offer amazing horsepower and torque gains. Tube lengths, diameters and routing are thoroughly designed and tested for superior fit and function. Dynatech continues to build supremely efficient and ultra powerful exhaust products that deliver outstanding performance and sound which are sure to put you one step ahead of other drivers on the road.

    Part Number:


    AFCO Performance Group LLC warrants its products to be free from defects in materials or workmanship for a period of 12 months. The Warranty period begins on the date the product is delivered.

    The Warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This Warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance.

    During the Warranty period, AFCO Performance Group LLC will repair or replace, at no charge, a product that is defective in materials or workmanship. AFCO Performance Group LLC reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this Warranty.

    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
    Low Prices Price match guarantee
    Guaranteed Fitment Always the correct part
    In-House Experts We know our products
    Easy Returns Quick & Hassle Free

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