Holley- EFI Modular Main Harness

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).

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

For Dominator EFI System Dominator EFI Connector J2A Auxiliary Harness

For Holley Dominator EFI Auxillary Output Harness   Dominator EFI Connector J2B Auxiliary Harness