Holley- Dominator EFI Auxiliary Output Harness

For Dominator EFI System Dominator EFI Connector J2A Auxiliary Harness

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...

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

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

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...