Main Harness
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UNIVERSAL MPFI MAIN HARNESS
Part# HLY-558-104
$ 497.00$ 446.95 -
LS1 MAIN HARNESS (24x crank / 1x cam)
Part# HLY-558-102
$ 593.00$ 532.95 -
LS2 MAIN HARNESS (58x crank / 4x cam)
Part# HLY-558-103
$ 593.00$ 532.95 -
MAIN HARNESS, 99-04 FORD MODULAR 2V & 4V
Part# HLY-558-108
$ 674.00$ 605.95 -
MAIN HARNESS, 99-04 FORD MODULAR 2V & 4V WITH SMART COILS
Part# HLY-558-113
$ 736.00$ 661.95 -
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
$ 688.00$ 618.95 -
HEMI MAIN HARNESS, EARLY, W/ TPS & IAC
Part# HLY-558-115
$ 688.00$ 618.95 -
HEMI MAIN HARNESS, EARLY CRANK & CAM SENSORS
Part# HLY-558-106
$ 535.95$ 535.95 -
TPI/STEALTHRAM MAIN HARNESS
Part# HLY-558-101
$ 514.00$ 461.95 -
UNTERMINATED MAIN HARNESS
Part# HLY-558-105
$ 496.00$ 445.95 -
HARNESS, TERMINATOR MAIN
Part# HLY-558-414
$ 414.00$ 371.95 -
TERMINATOR THROTTLE BODY HARNESS
Part# HLY-558-415
$ 214.00$ 191.95 -
Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and stock coils (2011-2017)
Part# HLY-558-110
$ 704.00$ 632.95 -
Holley EFI Ford Coyote Ti-VCT Main Harness for Holley EFI HP smart coils (2011-2017)
Part# HLY-558-122
$ 774.00$ 695.95 -
Coyote Ti-VCT Sub Harness for 2013-2017 Coyote Engines with Stock Camshafts
Part# HLY-558-125
$ 325.00$ 291.95 -
Ford Coyote Ti-VCT Harness Kit, includes Power Harness, Main Harness, Coil Drivers, and USCAR Injector Harness
Part# HLY-558-510
$ 1,194.00$ 1,073.95
