Sale

Ignitions and Electrical Wiring Harnesses

Holley

EXTENDED LENGTH 24X LS MAIN HARNESS

$775.95 $695.68 Save $80.27

SKU: H00E 558-133

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 558-133

This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and 1x Cam sensors.

Features:

  • Plug and play with Dominator, HP, Terminator X and Terminator X Max ECUs
  • Designed for use on 24x / 1x and 58x / 4x LS engines
  • 22" Extended length allows you to mount the ECU in a wide variety of locations, such as on a roll bar, or under the passenger seat

LS1/6 Main Harness for HP EFI & Dominator EFI

Fitment

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Specifications

BrandHolley
Part NumberH00E 558-133
Weight5.6 lb

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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