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Add to Cart The item has been addedHolley- EFI Modular Injector Harness ( Jetronic / EV1 )
Injector harness for Holley EFI standalones. Injectors evenly spaced and setup for any modular engine. Works with EV1 style injectors (typically found in 1987-2004 Mustangs).$181.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- EFI Modular Injector Harness ( USCAR / EV6 )
Injector harness for Holley EFI standalones. Injectors evenly spaced and setup for any modular engine. Works with EV6 style injectors (typically found in 2005+ Mustangs).$172.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- EFI Modular Main Harness
Main harness for Holley EFI standalone. Setup to use sensors on a modular engine. Works with both Holley HP and Dominator.$750.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- EFI TFI Ignition Harness
Need to adapter your holley EFI system to a TFI Ignition? This is the harness you need! Works great with 1987-1995 Mustangs!$115.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- Eight Channel Coil Driver Module (Modular / Coyote)
The eight channel coil driver module is a "dumb coil" driver module that plugs into the main harness, which is needed when running the factory coils. Contains two 4-channel drivers, requires on an...$287.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- HP EFI 2V Modular 4.6/5.4 System
Desgined for use on 1999-2004 4.6L and 5.4L 2-valve engines Plug and play with factory sensors: Crank, Cam, TPS, Coolant temp, etc Plug and play with factory actuators: Coils, injecotrs,...$2,999.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- HP EFI 4V Modular 4.6/5.4 System
Desgined for use on 1996-2014 4.6L and 5.4L 4-valve engines Plug and play with factory sensors: Crank, Cam, TPS, Coolant temp, etc Plug and play with factory actuators: Coils, injecotrs,...$2,999.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- HP EFI ECU & Harness - Universal Multi Point System
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness...$2,499.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- HP EFI ECU & Harness kit for a Ford V8
Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are...$2,499.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- HP EFI ECU & Harness kit for a Ford V8 w/NTK o2 Sensor
Holley HP EFI ECU and harness kits allow you to manage automotive functions—like the fuel and ignition of your engine, along with controlling nitrous, boost, or water/methanol. Select the model with...$2,749.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- HP EFI ECU & Harness w/ Terminated Harness
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness...$2,499.95Add to Cart The item has been added -
Add to Cart The item has been addedHolley- LS Coli Harness
Includes a pair of coil harnesses for an 8 cylinder engine Similar to factory GM LSx coil harnesses For use with Holley HP or Dominator ECU$241.95Add to Cart The item has been added