558-117 Universal MPFI Coil-on-Plug Main Harness

Name: 558-117 Universal MPFI Coil-on-Plug Main Harness
Brand: HOLLEY
SKU: 510-558-117
Price: 623.95 USD
Availability: InStock

^$623⁹⁵

4 left in stock

Ships on Sep 08, 2026

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Main Harness

Universal MPFI Coil-on-Plug Main Harness

Easily allows Coil-on-Plug Conversion

Dual CANbus Connectors for Multiple CAN Devices

Pre-Installed Power Tap

20awq Gauge Wire

Notes:

Requires Smart Coil Sub Harnes 510-558-312 or 510-558-318 for C-O-P Connectivity

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeIgnition Harness

BrandHOLLEY

Package Height4.3

Package Width14.5

Package Length15.1

Weight5.07 PG

Part CategoryPerformance Parts

Part FitmentUniversal

Vendor Part Number558-117

Package Qty1

Package TypeEA

No Questions

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Please click here to download the instructions PDF file

Some parts are not legal for use in California or other states with similar laws / regulations

558-117 Universal MPFI Coil-on-Plug Main Harness

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords