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Vehicle Info NeededHOLLEYPART NUMBER: 510-558-102
558-102 Main Harness for GM LS1, LS6 Engines w/Holley HP or Dominator EFI (24X Crank Reluctor)
$67595
3 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeLS1/LS6
- Main Engine Harness
- Fits 1997-2004 GM LS1, LS6 Engines
- For Holley HP or Dominator EFI
- 24X Crankshaft Reluctor
- 4X Camshaft Sensor
- Length 72 in.
- Plug-and-Play
- LS1 Main Harness
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
Plug-and-Play Harnesses to Control GM LS Engines
Holley GM Gen III/IV LS Engine Wiring Harnesses are the solution to controlling an LS engine with a professional look and trouble-free installation.
Part TypeWiring Harness
Product LineHolley GM Gen III/IV LS Engine Wiring Harnesses
BrandHOLLEY
Package Height4.5
Package Width14.5
Package Length15.2
Weight5.12 PG
Part CategoryPerformance Parts
Metering StyleMass airflow
Wiring Harness Length72 in (1828.8 mm)
Terminal TypeTerminated
QuantitySold individually
Injection StyleMulti-port
Engine Management System Component TypeWiring harness
Part FitmentSemi Universal
Vendor Part Number558-102
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
