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Holley EFI 550-617 HP EFI ECU & Harness Kit for 4v Mod Motor
HP EFI ECU & HARNESS KITS
Complete 99-04 4 Valve Ford Modular Engine Plug and Play Kit - Jetronic “Bosch Style” injector harness - Bosch Wideband O2
Looking for a plug and play kit for your Ford Modular engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Is your cam too wild for a MAF? Power adders? You name it, and Holley EFI can handle it.
Designed specifically for 1999-2004 Ford Modular 4 Valve Engines
Plug and play with factory sensors; Crank, Cam, TPS, Coolant Temp, etc
Plug and play with factory actuators; Coils, Injectors, IAC
Connectors for Holley Fuel Pressure and Oil Pressure sensors
Connectors for expanded Inputs and Outputs
Complete plug and play kit includes HP ECU, Bosch Wideband O2 sensor, MAP sensor, Coil Drivers and all necessary Harnesses