- 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.
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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.
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$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
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Fuel Injector Harness
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
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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
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