UNIVERSAL COIL ON PLUG HARNESS

For use with Holley® HP and Dominator ECUs and other EFI systems

Part #: 558-307

Brand: Holley EFI

Regular price $118.95

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

Universal Coil On/Near Plug Harness

Part #: 558-307
  • Length: 11.25"
  • Width: 5"
  • Height: 3.75"
  • Emissions Code: 3
  • Prop 65: No

FEATURES

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