Holley EFI 558-307 Universal Coil On/Near Plug Harness
For use with Holley® HP and Dominator ECUs and other EFI systems
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
