Filters
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
Holley EFI 558-471
Holley EFI Transmission Control Harness - 1992-1997 Ford AODE/4R70W; For 1992-1997 Ford AODE/4R70W
Holley EFI 558-463
Holley EFI Terminator X Wideband Adapter Harness; Compatible w/ Terminator X and X Max ECU's
Holley EFI 558-459
Terminator Stealth 2x4 Primary Throttle Body Sub Harness; Replacement harness
Holley EFI 558-126
Unterminated 15' Flying Lead Main Harness; Pre-Terminated J1A / J1B 15' Flying Lead Main Harness