Universal Coil On/Near Plug Harness – Use to connect Holley PN 558-312 or factory GM LSx coil harnesses to Holley HP or Dominator ECU's

Features:
  • For use with Holley HP or Dominator ECUs
  • Universal
  • Connects 558-312 or factory GM LSx coil harnesses
  • Universal Coil On/Near Plug Harness – Use to connect Holley PN 558-312 or factory GM LSx coil harnesses to Holley HP or Dominator ECU's

    Features:
  • For use with Holley HP or Dominator ECUs
  • Universal
  • Connects 558-312 or factory GM LSx coil harnesses