Holley EFI 4V Modular Ford Harness Kit (1999-2004)

Holley Part #: 558-506
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This wiring harness interfaces a Holley EFI ECU to a 4V Ford Modular engine. Most stock sensors are used with this harness.

Features:

Harness Kit Includes: Main Power Harness, Ford Modular Main Harness, Ford V8 Injector Harness, Ford Modular 4V Coil Harness, Coil Drivers
Simple Installation
Can be used with HP or Dominator ECU's

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

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