Holley EFI Ford V8 Bosch EV1 Injector Harness 558-213
$160.00 Each - Free Shipping
Holley EFI Big Wire CNP Ignition Sub Harness 558-318
$233.00 Each - Free Shipping
Holley EFI Universal MPFI Coil on Plug Harness 558-117
$529.00 Each - Free Shipping
Holley’s 558-117 Universal MPFI Coil On Plug 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.
- Built in COP 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
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