This harness is for fuel injected small block ford 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.

Features

Designed for use with fuel injected small block ford engines, such as 5.0L, or 5.8L Windsor powerplants.

Plug and play ignition capability with Dual Sync and HyperSpark Distributors, for ignition adapter 558-305 is required for applications with a TFI distributor

Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECU’s

Comes pre-terminated with Ford PWM IAC connector, for OEM PWM – idle air control motors

For use with OEM Ford fuel injectors, use injector harness 558-209.