Holley Dominator EFI J2B Auxiliary Harness

SKU: 558-402 Categories: ,


Dominator EFI Connector J2B Auxiliary Harness


Kit contains loose wires with pre-crimped ECU pins for the following:

  • J2B Connector
  • Four additional injector driver outputs
  • Four additional coil driver outputs
  • 23 user programmable outputs


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