Filters
Holley EFI 558-455
Holley EFI Transmission Control Harness - 2009+ GM 4L60; For 2009+ GM 4L60
Holley EFI 558-110
Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and Stock Coils (2011-2017); 2011-2017 Ti-VCT Coyote Engines
Holley EFI 558-122
Holley EFI Coyote Ti-VCT Main Harness for Holley EFI HP Smart Coils (2011-2017); Coyote Ti-VCT Main Harness for 2011-2017 Coyote Engines using Holley EFI HP smart coils
Holley EFI 558-125
Holley EFI Ford Coyote Ti-VCT Sub Harness (2013-2017); Coyote Ti-VCT Sub Harness for 2013-2017 Coyote Engines with Stock Camshafts
Holley EFI 558-321
LS COIL HARNESSES; Factory replacement coil harness for stock LS coils, does not fit LS1 or LS6 Coils.
Holley EFI 558-454
CAN Adapter Harness, 12'; 12' Male to Female CAN Adapter Harness
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
