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- Qty in Cart
- Quantity
- Price
- Subtotal
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558-204 Holley EFI Universal Unterminated Injector Harness
$207.95Universal Unterminated Injector Harness for HP EFI & Dominator EFI(Bosch EV1 style). -
558-411 Holley EFI Dominator EFI GM Dual Drive-By-Wire Harness
$338.95Dominator EFI GM Dual Drive-By-Wire Harness -
558-437 Holley EFI Hemi Drive-By-Wire Throttle Body Harness
$108.27The Holley Dominator ECU has built in capability to control the Drive-By-Wire throttle pedals and throttle bodies used on most Chrysler HEMI applications. -
558-110 Holley EFI Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and stock coils (2011-2017)
$786.95Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential... -
558-314 Holley EFI Ford 2V Modular Coil Harness
$212.95Coil harness for 99-04 2 Valve Ford Modular (4.6 & 5.4L) Engines. -
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558-315 Holley EFI Ford 4V Modular Coil Harness
$189.95Coil harness for 99-04 4 Valve Ford Modular (4.6 & 5.4L) Engines. -
558-508 Holley EFI Universal Ford V-8 Harness Kit
$786.95Universal Ford V8 Harness Kit for Holley HP and Dominator ECU's -
558-439 Holley EFI Terminator Throttle Body Harness
$229.95Injector upgrade harness for Terminator Throttle Body Systems. This harness is designed to be plug and play with our 205 lb/hr injector upgrade kit, Part Number 522-205. -
558-317 Holley EFI Ford Coyote Coil Harness
$201.95Coil Harness for 2011 to 2015 Ford Coyote (5.0L) Engines -
558-510 Holley EFI Ford Coyote Ti-VCT Harness Kit
$1,647.95Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential... -
558-417 Holley EFI Gen III HEMI Drive-By-Wire Harness - Early Pedal
$246.95Similar to the changes with the cam and crank sensors, the Drive-By-Wire throttle pedal connector was changed in 2008 on cars while the trucks changed in the 2007 models. Interestingly, the throttle body connector is consistent on all engines. The early...