- Fuel, Carbs & Intakes
- Fuel Injection
- Holley Gen III Hemi Wiring Harnesses
Harnesses to Install a GEN III Hemi in Your Hot Rod
Take control of your Gen III Hemi with Holley Wiring Harnesses capable of controlling fuel#, spark#, transmission#, and more.
Filter Results
AVAILABILITY
free shipping
PART TYPE
PART TYPE
BRAND
BRAND
RATING
Part Category
Vendor Part Number
Part Fitment
Engine Management System Component Type
Type
PRICE
Coil Adapter Harness
Drive-By-Wire Harness
$338.95
Estimated to ship direct from manufacturer on 09/26/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$338.95
Estimated to ship direct from manufacturer on 09/26/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Holley 558-417
Holley HEMI Drive-By-Wire Harness Early Harness with the larger TYCO/AMP Connector (2003-07 Car & 2003-06 Truck)
$246.95
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Fuel Injector Harness
$181.95
Estimated to ship direct from manufacturer on 09/20/24, pending manufacturer availability.
Lowest Price Guarantee
$181.95
Estimated to ship direct from manufacturer on 09/20/24, pending manufacturer availability.
Lowest Price Guarantee
Main EFI Wiring Harness
VVT Harness
Holley 558-131
Holley Variable Valve Timing (VVT) Harness for Gen III Hemi w/Terminator X or X Max EFI
$115.95
Estimated to ship direct from manufacturer in 24hrs
Lowest Price Guarantee
Holley 558-132
Holley Variable Valve Timing (VVT) and Short Runner Valve (SRV) Harness for Gen III Hemi w/Terminator X or X Max EFI
$150.95
Ships Today
Lowest Price Guarantee