4.8 · 6 reviews
SKU: 558-112

Main Engine Harness for 58x LS with TBI

$716.99
FREE delivery
Description

ABOUT THIS PRODUCT

Intended for use with Dominator, HP, Terminator X, and Terminator X Max ECU's when using a Terminator or Terminator Stealth 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 Even/Odd LS coil harness plugs and a bulkhead connector for Holley P/N's 534-225 and 534-227 and similar throttle body injection units.

Product Features:
  • Use with Dominator, HP, Terminator X, and Terminator X Max when using a Terminator or Terminator Stealth throttle body injection unit
  • Gen 4 58x LS engine
  • Crank and cam sensor plugs for Gen 4 58x LS engines as well as Even/Odd LS coil harness plugs
  • Bulkhead connector for Holley P/N's 534-225 and 534-227 and similar throttle body injection units
Specifications
Brand
Holley EFI (770)
SKU
558-112
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.

View full returns policy

Customer Reviews

4.8

Based on 6 reviews

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C
Chris W. Verified Buyer
07/05/2025

Highly recommend

Good experience overall from checkout to delivery.

J
Jordan L. Verified Buyer
04/15/2025

Very happy with this

Packaging was secure and the item was in perfect condition.

E
Emma S. Verified Buyer
12/14/2025

Exactly what I needed

Easy to order and arrived quickly. Product matched the listing and works great.

D
Dana H. Verified Buyer
10/02/2025

Solid purchase

Quality feels premium and it fits my needs well.

A
Alex P. Verified Buyer
01/09/2025

Fast shipping too

Impressed with the quality for the price. Will be back for more.

S
Sam T. Verified Buyer
03/22/2025

Great quality

Exactly as described. Good value and I would order again.

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