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Holley EFI

Holley EFI Gen V LT Engine Main Harness

Part # 558-129 Be the first to write a review

For use with Terminator X and X Max

Holley EFI Gen V LT Engine Main Harness

In Stock
Free Shipping - Lower 48 US States
Advertised Price $588.95
$529.95
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4

Emissions

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.

    See Emissions Details
This harness is designed for use with Terminator X and X Max ECU's Only.

Features:

  • Used on Terminator X and Terminator X Max
  • Main harness
  • GM Gen V LT engines
  • Wires in protective loom

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
CategoryEngine
Crank Reluctor58x
Emission Code4
Harness ApplicationGen V LT
LT
Harness TypeMain
Part TypeEngine Control Module (ECM) Wiring Harness
Product TypeHarness
Sub CategoryWire, Cable and Related Components
UPC090127140802
Manufacturer Part Number558-129
Part Number558-129
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
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Wiring Shop Quick Reference Guide
Wiring Shop Quick Reference Guide
Instructions - GM LTx GDI Controller Harness - Analog Pressure Sensor - 271R1265A 3-11-2020.pdf
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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.

    Holley EFI Gen V LT Engine Main Harness
    Holley EFI Gen V LT Engine Main Harness
    Advertised Price $588.95
    $529.95
    Save $59.00