Holley EFI Engine Main Harness 558-128

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 80s and early 90s engines. Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECUs.

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
• Compatible With Holley EFI Dominator/HP And Terminator X And X Max ECUS
• Comes Pre-Terminated With Ford PWM IAC Connector
• For Use With Oem Ford Fuel Injectors - Use Injector Harness 558-209

Holley EFI Engine Main Harness | For Use w/5.0 Small Block Ford Engines

Made in the USA!

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.