Name: Holley® 558-501 - EFI Harness Kit
Brand: Holley
SKU: mpn1436432231
Price: 715.95 USD
Availability: OutOfStock

Vehicle Fitment

Make	Model	Year
Chevy	Avalanche	2007-2009
	Bel Air	1963, 1966-1969
	Biscayne	1963, 1966-1969
	Brookwood	1969
	Camaro	1969, 2010-2017
	Caprice	1966-1969, 2011-2017
	Corvette	1966-1969, 2005-2017
	Estate	1969
	Express	2003-2017
	Impala	1963, 1966-1969
	Kingswood	1969
	P-Series	1986-1990, 1992-1996
	Silverado 1500	2001-2017
	Silverado 2500	1999-2016
	Silverado 3500	2001-2016
	SS	2014-2017
	SSR	2005-2006
	Suburban	2000-2013, 2016-2017
	Tahoe	2008-2013
	Townsman	1969
	Trailblazer	2006-2009

Product Details

EFI Harness Kit (558-501) by Holley®. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.

Notes

You will need to purchase an ECU and O2 Sensor to make this a complete kit
Works with HP or Dominator ECU's

Specifications

Style: Multi-Port

Quantity: Kit

Includes

Main Power Harness
LS2 Main Harness
LSX Injector harness

Features

Top-grade fuel system upgrade that will take your driving to the next level
Designed to help you maximize your vehicle’s fuel system efficiency
Will help you get unbridled power and a huge jump in performance
Made from premium materials to ensure superior quality and durability
Manufactured to be tough as nails to withstand high-heat and high-pressure conditions
Engineered to provide consistent, reliable operation and long-lasting service

Holley® being an undeniable leader in fuel systems for over 100 years, Holley offers a wide range of performance carburetors, fuel pumps, intake manifolds and engine dress–up products for street performance, race, and marine applications. Holley carburetors have powered almost every NHRA Pro–Stock champion and every NASCAR Sprint Cup team for 40 years. As a single solution, or partnered with products from other Holley companies such as Hooker, Flowtech, NOS, Weiand, and others, the Holley products provide the quality and performance you've been looking for.

Brand:

Holley

Part Number:

558-501

UPC:

090127721322

Alternate MPN:

558501

Installation

Holley® - EFI Harness Kit Installation Instructions

Warranty

Holley warrants its products to be free from defects in materials or workmanship for a period of 90 days. The warranty period begins on the date the product is delivered.

Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products. Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.

Holley limits the warranty on Metallic Ceramic Coatings to be free from defects in material and workmanship for a period of 90 days from the date of purchase. This limited coating warranty does not apply to any products which have been subjected to adverse conditions, such as high heat encountered during engine break-in or if used during any racing activity.

Holley Performance Products warrants its new marine products to be free from defects in material and workmanship for a period of 90 days from date of purchase. For the safety and protection of persons and property, all United States Coast Guard and other marine product safety installation and use requirements and recommendations must be carefully studied and applied. The above recommendations include, but are not limited to the recommendation that the installation, adjustment, and repair of Holley carburetors or other marine products must be performed only by a trained mechanic having adequate marine fuel system experience, and in strict compliance with the applicable Holley installation, maintenance, and other instructions. Failure to follow such requirements and recommendations will void this Holley Marine Limited Warranty, and Holley disclaims any responsibility and/or liability for accidents resulting from such failure.

Holley® Performance Products warrants its Holley® Street Avenger™ Carburetor to be free from defects in material and workmanship for the life of the product on parts and one year on repair labor. After a period of one year, Holley® will charge standard rates for repair labor. For any Holley® Street Avenger™ Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor.

Holley® Performance Products warrants its Holley® Marine Avenger™ Carburetor to be free from defects in material and workmanship for the life of the product on parts and one year on repair labor. After a period of one year, Holley® will charge standard rates for repair labor. For any Holley® Marine Avenger™ Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor.

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

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Holley® 558-501 - EFI Harness Kit

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