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LS2/3/7+ (58x/4x) Engine Main Harness

LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI

PART# 558-103

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Wiring Shop Quick Reference Guide

Overview

This harness has been designed to interface with 58x crank and 4x cam sensors. These engines are commonly found in 2006+ Year Model vehicles with LS variants such as the: LS2,LS3,LS7,L76,L92, and L98.

Specs

BrandHolley EFI
Crank Reluctor58x
Emission Code4
Harness ApplicationLSX
Harness TypeMain
Product TypeLS Main Engine Harness
Part Number558-103

Emissions

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

Tech Resources

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Wiring Shop Quick Reference Guide
Wiring Shop Quick Reference Guide
Instructions for 558-103
EFI selection chart
Wiring Diagram
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