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Holley EFI

GM LS 58X EFI HARNESS KIT

Part # 558-502 Be the first to write a review

GM LS2/LS3/LS7, 58X Crank Sensor, Bosch Injector

GM LS 58X EFI HARNESS KIT

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Advertised Price $972.95
$874.95
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An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!

Features:

  • Harness Kit Includes; Main Power Harness, LS2 Main Harness & V-8 Injector harness
  • Simple Installation
  • Works with HP or Dominator ECU's

About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

Brand Holley EFI
CategoryAir and Fuel Delivery
Emission Code4
Harness ApplicationLSX
Part TypeFuel Injection Harness
Product TypeHarness Kit
Sub CategoryWire, Cable and Related Components
UPC090127721339
Part Number558-502
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Holley EFI Dealers
Do you need a custom kit built for your application? Do you need a system installed and tuned? Click here to find the Holley EFI dealer in your area!
Holley EFI Support Forums
EFI selection chart
Instructions - 199r10836.pdf
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit.

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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.

    GM LS 58X EFI HARNESS KIT
    GM LS 58X EFI HARNESS KIT
    Advertised Price $972.95
    $874.95
    Save $98.00