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Universal Ford V-8 Harness Kit

Universal Ford V8, Bosch Injector

PART# 558-508

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Universal Ford V8 Harness Kit for Holley HP and Dominator ECU's


  • Harness Kit Includes: Main Power Harness, Universal MPFI Main Harness, Ford V-8 Injector Harness, Ignition Adapter & Tach Input
  • Simple Installation
  • Can be used with HP or Dominator ECU's


BrandHolley EFI
Emission Code4
Harness ApplicationFord
Injector ConnectorJetronic / Minitimer (Bosch)
Product TypeHarness Kit
Part Number558-508



This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

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!
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit.
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