Holley

Works with 4, 6, 8 and 10 cylinder engines Ignition Plug and Play with GM LS engines (non-VVT), GM HEI, Ford TFI, and magnetic and hall effect trigger. Custom settings can be configured to allow...

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).

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).

Main harness for Holley EFI  standalone.   Setup to use sensors on a modular engine.   Works with both Holley HP and Dominator.

Need to adapter your holley EFI system to a TFI Ignition? This is the harness you need! Works great with 1987-1995 Mustangs!

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...

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,...

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,...

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

Holley Sniper EFI fabricated intake manifolds are budget-friendly and performance filled! These durable Holley hi-ram manifolds feature 3mm (1/8 in.) thick T-6061 sheet aluminum construction with 100...

Holley Sniper EFI fabricated intake manifolds are budget-friendly and performance filled! These durable Holley hi-ram manifolds feature 3mm (1/8 in.) thick T-6061 sheet aluminum construction with 100...