Holley EFI

Coil harness for 99-04 4 Valve Ford Modular (4.6 & 5.4L) Engines.

MAIN HARNESS, TERMINATOR TBI, LSX, 24X

Universal Ford V8 Harness Kit for Holley HP and Dominator ECU's

MAIN HARNESS, TERMINATOR TBI, LSX, 58x

Injector 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.

Coil Harness for 2011 to 2015 Ford Coyote (5.0L) Engines

Introducing 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...

Holley EFI LS wires are designed to work with Hooker shorty headers to prevent burns resulting in misfires.

Similar 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...

Ford V8 Injector Harness for Ford USCAR / EV6 style Fuel Injectors (Evenly Spaced)

Similar 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...

Ford V8 Injector Harness for Jetronic "Bosch" style Fuel Injectors (Evenly Spaced)