Availability
Wiring Harnesses, Holley EFI, Replacement Harness, Multi-Port, Speed Density Metered, for Avenger, HP, Dominator, EFI Systems, with Stealth Ram, Each
Part Number: HLY-558-101
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Wiring Harness, Fuel Injector, FAST XFI, Chevy, 18436572 Firing Order, Each
Part Number: FST-301200
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
HARNESS, FAST ANALOG INPUT KIT
Part Number: FST-301402
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Fuel Injections System Wiring Harnesses, Gen III Hemi, Drive-By-Wire Harness, Early Pedal, OE Connectors, Plug-and-Play, Chrysler, Dodge, Jeep, Kit
Part Number: HLY-558-417
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Terminator, Throttle Body Systems, Plug-and-Play, Upgrade Harness, for 205 lb./hr. Injectors, Each
Part Number: HLY-558-439
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Fuel Injection System Wiring Harnesses, Holley EFI, Terminator Stealth 2X4, Primary Throttle Body Sub Harness, Pre-Terminated, Plug-and-Play, Each
Part Number: HLY-558-459
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Fuel Injection System Wiring Harnesses, Holley EFI, Main Power Harness, Coyote Ti-VCT, Plug-and-Play, for Dominator/HP EFI Systems, Ford, 5.0L, Each
Part Number: HLY-558-319
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Adapter cable, CD-7/CD-7L Plug & Play Adapter Harness for Holley Dominator and HP EFI, Each
Part Number: AVM-30-2214
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Emission Wiring Harness, Rear Oxygen Sensor and Fuel Tank Pressure Sensor, Each
Part Number: PRF-60320
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
INJECTOR HARNESS, LS2-18726543 FIRE
Part Number: FST-301209
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Firing Order 1-6-5-4-3-2, Buick, 3.8L Turbo, Each
Part Number: FST-301206
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Wiring Harness, 10 Channel Peak and Hold Injector Driver Harness, Each
Part Number: AVM-35-3900
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Systems Wiring Harnesses, Holley EFI, Universal Harness, Four Cylinder, EV14 Injectors, 205 lbs.-hr. with HP/Dominator EFI, Each
Part Number: HLY-558-440
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Fuel Injection System Wiring Harnesses, Holley EFI, Coyote Ti-VCT, Main Harness, Plug-and-Play, Drive-by-Wire, with Holley Smart Coils, Ford, 5.0L Kit
Part Number: HLY-558-122
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Fuel Injection System Wiring Harnesses, Holley EFI, 2V Modular EFI, with Main, Power, Injector Harnesses, for HP, Dominator ECU, Ford, 4.6-5.4L, Kit
Part Number: HLY-558-505
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2, Wideband, Ford, Lincoln, Mercury, 2-valve, 4.6L, 5.4L, Kit
Part Number: HLY-550-616N
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 4.6L, 5.4L, Kit
Part Number: HLY-550-617N
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Wiring Harness, Fuel Injector, FAST XFI, Ford, Each
Part Number: FST-301210
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Fuel Injections System Wiring Harnesses, Gen III Hemi, Drive-By-Wire Harness, Late Pedal, OE Connectors, Plug-and-Play, Chrysler, Dodge, Jeep, Kit
Part Number: HLY-558-418
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
Wiring Harness, Fuel Injector, FAST XFI, Ford, Each
Part Number: FST-301204
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Wiring Harness, Fuel Injector, FAST XFI, Chrysler, Dodge, Ram, Each
Part Number: FST-301208
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Fuel injection wiring harness WIRING HARNESS, FAST XFI MAIN,FORD SCJ MODULAR
Part Number: FST-301150
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Wiring Harness, Fuel Injector, Y-Adapter Harness, FAST XFI, Each
Part Number: FST-301205
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Wiring Harness, Replacement, Fuel Injector Wiring, Throttle Body Style, Speed Density Metering, for 2-barrel, Digital Pro-Jection, Closed Loop, Each
Part Number: HLY-534-56
Not Yet Reviewed
Estimated Ship Date: Oct 7, 2025 if ordered today
Estimated Ship Date: Oct 7, 2025 if ordered today
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