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Universal V8 MPFI EFI HARNESS KIT

Universal V8 MPFI

PART# 558-504

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$564.95   Suggested Retail
$457.16   Holleydays Price
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NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit.

Overview

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!

Features:

  • Harness Kit Includes; Main Power Harness, Universal MPFI Main Harness, v-8 Injector Harness
  • Simple installation
  • Works with HP or Dominator ECU's

Specs

BrandHolley EFI
Harness ApplicationFord
GM
Universal
Ignition TypeCD Ignition (No Timing Control)
Injector ConnectorJetronic / Minitimer (Bosch)
Product TypeHarness Kit
Part Number558-504

Tech Resources

Holley EFI Support Forums
Holley EFI Dealers
Do you need a custom kit built for your application? Do you need a system installed and tuned? Click here to find the Holley EFI dealer in your area!
EFI selection chart
Instructions for Part# 558-504
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit.
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        Some parts are not legal for use in California or other states with similar regulations.

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