Universal MPFI Coil On Plug Main Harness

$475.95

Shipping calculated at checkout

SKU: 558-117 Holley

Supreme Quality

Generous Return Policy

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.

Features:

  • Built in C-O-P Harness
  • Additional 40 amp relay to power individual coils
  • 20awq gauge wire or larger!
  • Plug and play with 558-312 or 558-318 Smart Coil Sub Harnesses.
  • Dual CANbus Connectors for multiple CAN devices