Main Harness
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UNIVERSAL MPFI MAIN HARNESS
Part# HLY-558-104
$ 391.95$ 351.95 -
LS1 MAIN HARNESS (24x crank / 1x cam)
Part# HLY-558-102
$ 467.95$ 420.95 -
LS2 MAIN HARNESS (58x crank / 4x cam)
Part# HLY-558-103
$ 467.95$ 420.95 -
MAIN HARNESS, 99-04 FORD MODULAR 2V & 4V
Part# HLY-558-108
$ 532.95$ 478.95 -
MAIN HARNESS, 99-04 FORD MODULAR 2V & 4V WITH SMART COILS
Part# HLY-558-113
$ 581.95$ 522.95 -
MAIN HARNESS, FORD COYOTE NON-VVT
Part# HLY-558-109
$ 562.95$ 506.95 -
MAIN HARNESS, FORD COYOTE NON-VVT WITH SMART COILS
Part# HLY-558-114
$ 583.95$ 583.95 -
HEMI MAIN HARNESS, LATE, W/ TPS & IAC
Part# HLY-558-116
$ 543.95$ 488.95 -
HEMI MAIN HARNESS, EARLY, W/ TPS & IAC
Part# HLY-558-115
$ 543.95$ 488.95 -
HEMI MAIN HARNESS, LATE CRANK & CAM SENSORS
Part# HLY-558-107
$ 487.95$ 438.95 -
HEMI MAIN HARNESS, EARLY CRANK & CAM SENSORS
Part# HLY-558-106
$ 535.95$ 535.95 -
TPI/STEALTHRAM MAIN HARNESS
Part# HLY-558-101
$ 406.95$ 365.95 -
UNTERMINATED MAIN HARNESS
Part# HLY-558-105
$ 389.95$ 350.95 -
HARNESS, TERMINATOR MAIN
Part# HLY-558-414
$ 325.95$ 292.95 -
TERMINATOR THROTTLE BODY HARNESS
Part# HLY-558-415
$ 165.95$ 148.95 -
Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and stock coils (2011-2017)
Part# HLY-558-110
$ 555.95$ 499.95 -
Terminator Stealth 2x4 MAIN HARNESS
Part# HLY-558-121
$ 319.95$ 287.95 -
Holley EFI Ford Coyote Ti-VCT Main Harness for Holley EFI HP smart coils (2011-2017)
Part# HLY-558-122
$ 611.95$ 549.95 -
Coyote Ti-VCT Sub Harness for 2013-2017 Coyote Engines with Stock Camshafts
Part# HLY-558-125
$ 255.95$ 229.95 -
Ford Coyote Ti-VCT Harness Kit, includes Power Harness, Main Harness, Coil Drivers, and USCAR Injector Harness
Part# HLY-558-510
$ 977.95$ 879.95
