Dominator EFI Auxiliary Harness

Dominator EFI Connector J2A Auxiliary Harness

PART# 558-401

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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


BrandHolley EFI
Harness TypeAuxiliary
Product TypeJ2 Auxiliary Input/ Output Harness - Connector
Part Number558-401

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