558-133 Extended Length Main Harness for GM LS1, LS6 Engines w/Holley HP or Dominator EFI (24X Crank Reluctor)

Name: 558-133 Extended Length Main Harness for GM LS1, LS6 Engines w/Holley HP or Dominator EFI (24X Crank Reluctor)
Brand: HOLLEY
SKU: 510-558-133
Price: 715.95 USD
Availability: InStock

^$715⁹⁵

Ships on 09/15/2026

Lowest Price Guarantee

LS1/LS6

Extended Length Main Engine Harness

Fits 1997-2004 GM LS1, LS6 Engines

For Holley HP or Dominator EFI

24X Crankshaft Reluctor

1X Camshaft Sensor

Length: 94 in.

Plug-and-Play

Holley 558-133 Extended Length Main Engine Harness Features:

Extended 22 Inches Over the Holley 558-102 Harness to Enable ECU Mounting Inside Vehicle or a More Secure Location
Plug-and-Play w/Holley Dominator, HP, Terminator X, and Terminator X Max Engine Management Systems (ECUs)
Compatible with GM LS Based Engines Using 24X Crankshaft and 1X Camshaft Sensors

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeWiring Harness

BrandHOLLEY

Package Height4.45

Package Width14.65

Package Length15.15

Weight5.6 PG

Wiring Harness Length94 in. (2387.6 mm)

Terminal TypeTerminated

QuantitySold individually

Engine Management System Component TypeWiring harness

Vendor Part Number558-133