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
  • More From This Category

    Haltech Inputs and CAN Expansion, CAN Adaptors Hubs and Cables, Haltech CAN Cable 8 pin White Tyco to 8 pin White Tyco Length: 3600mm (144"), Each

    Haltech Inputs and CAN Expansion, CAN Adaptors Hubs and Cables, Haltech CAN Cable 8 pin White Tyco to 8 pin White Tyco Length: 3600mm (144"), Each

    $75.00

    Rostra Transmission Wire Harness, Internal, Internal Wire Harness, 4L80-E, Chevrolet, GM, 2004-2009

    Rostra Transmission Wire Harness, Internal, Internal Wire Harness, 4L80-E, Chevrolet, GM, 2004-2009

    $89.54

    Racepak Accessories, Harness Iq3D Drag Dash

    Racepak Accessories, Harness Iq3D Drag Dash

    $582.67

    FAST XFI Main Harness w/ Flying Leads and Weatherpack Connectors

    FAST XFI Main Harness w/ Flying Leads and Weatherpack Connectors

    $827.88

    MSD Distributor Replacement Part, Connectors, GM HEI Distributor Cap, Kit

    MSD Distributor Replacement Part, Connectors, GM HEI Distributor Cap, Kit

    $40.90