Holley EFI 558-128 Engine Main Harness

Compatible with 1986-2000 Ford® Fuel Injected 5.0L/5.8L Small Block Engines. This product is not created or sold by Ford®.;

This harness is for fuel injected small block engines, such as 5.0L, or 5.8L Windsor powerplants. Plug and play ignition capability with Dual Sync and HyperSpark Distributors, ignition adapter 558-305 is required for applications with a TFI distributor. The 5.0L Ford® main harness is pre-terminated with Ford® PWM IAC connector, for the OEM PWM - idle air control motor commonly found on late 80's and early 90's engines. Compatible with Holley EFI® Dominator®, HP®, and Terminator X® and X Max® ECU's.;