Holley EFI 99-04 Ford Modular 4, Injector Harness, Valve Harness - (EFI-558-506)

DescriptionInjector Harness; For Use w/1999-2004 Ford Modular 2V Engines; Incl. Main Power Harness/Injector Harness/Harness Coil Drivers;This wiring harness interfaces a Holley EFI ECU to a 2V or 4V...

DescriptionHolley Ignition Coil Harness; For Use w/Ford 4V Modular Engines;Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR...

DescriptionInjector Harness; Main Harness; For HP Or Dominator EFI; For Use w/94-04 Ford Modular Engines;Looking for a plug and play kit for your Ford Modular engine? The HP ECU allows you to...

DescriptionHolley Ignition Coil Harness; For Use w/Ford 2V Modular Engines;Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR...

DescriptionInjector Harness; 4 Valve Ford; Jetronic; Bosch Style Harness; Incl. Bosch Wideband O2;Looking for a plug and play kit for your Ford Modular engine? The HP ECU allows you to accurately...

DescriptionInjector Driver Harness; For Use w/PN[554-143/554-114]; Incl. J2B Connector;The Holley EFI Injector Driver Harness comes pre-terminated with a J2B connector, for plug and play connectivity...