Universal MPFI Coil On Plug Main Harness

$701.95 USD~~$701.95 USD~~

Specifications Part numbers, fitment codes and shipping

Brand: Holley EFI
Speedzone SKU: GVMR_558-117
Manufacturer part number: 558-117
UPC: 00090127002575
Category: Ignition Harness
Shipping weight: 4.985 kg
EPA: N

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Notes

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.

Full details on shipping times, returns, warranty and cancellations are on our policy page.

Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.

Email Sales@Speedzoneweb.com
Call 407-846-8430
Text 407-749-6314

Answers to common questions are on our FAQ page.