Holley EFI - 558-117
Universal MPFI Coil on Plug Main Harness
Universal Coil On Plug Harness; Plug And Play Harness; For Use w/PN[558-312/558-318];
This harness provides a plug and play upgrade solution for those seeking to convert to Coil-On-Plug. Additionally we have pre-installed a Power Tap for easy access to 12v, 5v Reference, and Sensor Grounds.
- Dual CANbus Connectors for multiple CAN devices
- Built in C-O-P Harness
- 20awq gauge wire or larger!
- Additional 40 amp relay to power individual coils
- Plug and play with 558-312 or 558-318 Smart Coil Sub Harnesses.
Brand: Holley EFI
Emission Code: 3
Harness Application: Universal
Harness Type: Main
Product Type: EFI Main Engine Harness
Sale Category: Air and Fuel Delivery
