Holley EFI Ford Foxbody Main Harness 558-128
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Features:
- Designed for use with fuel injected small block ford engines
- Plug and play ignition capability with Dual Sync and HyperSpark distributors
- Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECUÕs
- Comes pre-terminated with Ford PWM IAC connector for OEM PWM - idle air control motors
- For OEM Ford fuel injectors, use injector harness 558-209
- For TFI distributor applications, use ignition adapter 558-305
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
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