5.0 · 1 review
SKU: 558-134

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

$688.99
FREE delivery
Description

ABOUT THIS PRODUCT

This harness is designed to fit LS2/3/7+ engines from 1997-2012. The harness interfaces with 58x crank and 4x cam sensors. Harness is a perfect fit for installers wanting to mount the any Holley EFI ECU inside of the passenger compartment where it is away from the elements and easy to access.

Product Features:
  • Plug and play with Dominator, HP, Terminator X and Terminator X Max ECU's
  • Designed for use on 58x/4x LS engines
  • Mount the ECU in a wide variety of locations such as on a roll bar or under the passenger seat
  • 22" extended length
Specifications
Brand
Holley EFI (770)
SKU
558-134
Product type
Automotive
Guides & Resources
User Guide
Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

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Customer Reviews

5.0

Based on 1 review

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R
Riley N. Verified Buyer
06/08/2025

No complaints

Quick delivery and the product exceeded my expectations.

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