Plug-and-Play Driver Module Harness Kit for Staged Injectors

  • Sale
  • Regular price $334.95

If you're stepping up the fuel game on your boosted Dominator EFI combo, make life easier with our fully terminated injector driver module harness for the Holley EFI injector driver module.


  • All leads fully terminated and plug-and-play except for battery power / ground.
  • Fused power & heavy duty sealed relay built in for injector power
  • Injector harnesses included are compatible with all main harnesses from Holley.
  • Included injector harnesses are interchangeable between stage I and stage II injectors, but are permanently labeled with heat shrink for ease of troubleshooting.
  • Pre-configured to run eight stage II injectors fully sequential through J2B ecu connector
  • For use with Dominator EFI only

What's in the Box

  • Terminated Module Harness
  • Power / Ground Ring Terminal Kit
  • 2x Injector Harnesses
  • Holley 554-143 (optional)