Skip to main content
ASK OUR EXPERTS
1-866-464-6553

MAIN ENGINE HARNESS FOR 58X LS W/TBI

Main Harness for us with 58x/4x Gen 4 LS with Terminator Throttle Body Fuel Injection

Part # 558-112 Be the first to write a review

MAIN ENGINE HARNESS FOR 58X LS W/TBI

In Stock
Free Shipping - Lower 48 US States
$553.95
Add to Wishlist
Starting at $49 a month with Learn More
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
Main Engine harness intended for use with Terminator X, X Max, Terminator, HP, and Dominator ECUs when using a Terminator or Terminator Stealth style Throttle Body Injection unit on a Gen 4 58x LS engine. This harness has crank and cam sensor plugs for Gen 4 58x LS engines as well as Odd/Even LS coil harness plugs and a bulkhead connector for the 534-227, 534-225 and similar throttle body injection units.

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
Emission Code4
Product TypeTerminator LS Main Engine Harness
UPC090127717745
Part Number558-112
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!
Wiring Shop Quick Reference Guide
Wiring Shop Quick Reference Guide
Reviews

    Your Review

    *Free Shipping & 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.