Filters
Holley EFI 558-439
Terminator Throttle Body Harness; Injector upgrade harness for Terminator Throttle Bodies.
Holley EFI 558-440
Universal 4 EV14 Cylinder Injector Harness; Universal 4 Cylinder EV14 Injector Harness for HP EFI & Dominator EFI
Holley EFI 558-450
Holley EFI Chrysler HEMI Drive-By-Wire Dual Throttle Body Harness; HEMI DUAL DBW HARNESS, 2013+ APPLICATION
Holley EFI 558-470
Holley EFI Transmission Control Harness - 1998+ Ford 4R70W/4R75W; For 1998+ Ford 4R70W/4R75W
Holley EFI 558-500
GM LS 24X EFI HARNESS KIT; GM LS1/6, 24X Crank Sensor, Bosch Injector
Holley EFI 558-501
GM 58X EFI HARNESS KIT; GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 Injector
Holley EFI 558-502
GM LS 58X EFI HARNESS KIT; GM LS2/LS3/LS7, 58X Crank Sensor, Bosch Injector
Holley EFI 558-503
GM TPI and Stealth Ram EFI Harness Kit; GM TPI and Holley Stealth Ram™
Holley EFI 558-505
Ford Modular 2 Valve EFI Harness Kit; 1999-2004 Ford Modular 2 Valve Harness Kit
