Holley Dominator EFI J2A Auxiliary Harness

SKU: 558-401 Categories: ,


Dominator EFI Connector J2A Auxiliary Harness


Used when adding a second wide band oxygen sensor to a Dominator EFI installation.


  • J2A Connector
  • #2 Wide band oxygen sensor harness (Fully Terminated)
  • 23 user programmable input wires with pre-crimped ECU pins


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