1999-2004 Ford Modular 4 Valve Harness Kit

This wiring harness interfaces a Holley EFI ECU to a 4V Ford Modular engine. It is meant to be used...

Holley EFI Part #: GVMR_558-506

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1999-2004 Ford Modular 4 Valve Harness Kit

This wiring harness interfaces a Holley EFI ECU to a 4V Ford Modular engine. It is meant to be used in conjunction with an injector harness, a coil harness, and ignition modules. Most stock sensors are used with this harness.

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