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Vehicle Info NeededHP EFI ECU & Harness Kit for Ford V8 Multi-Port Injection
Ships on 09/09/2026
Lowest Price GuaranteeThe HP EFI ECU and harness kit gives factory Ford V8 EFI engines full standalone control of fuel and ignition, and also serves as a replacement for the older Holley C950 ECU. It adds control for power adders such as nitrous, boost, and water/methanol injection.
Holley 550-606 Features:
- Designed for popular factory Ford V8 EFI engines or as a C950 replacement.
- Eight sequentially driven peak-and-hold injector drivers (up to 16 injectors).
- Eight-channel distributorless ignition outputs.
- Four programmable inputs and four programmable outputs.
- Optional 5.7 in. touchscreen LCD for tuning, data-logging, and gauge display.
- ECU certified to ISO 8846, SAE J1171, and USCG ignition-protection requirements.
Holley HP Multi-Port EFI Systems for small or big block Chevys are ready for the street or strip with the simple swap of an intake Whether you have a stock engine, crate, or custom-built engine, HP Multi-Port Systems can help you maximize performance By utilizing a laptop (or the optional 5.7" full color touch screen LCD) along with the HP's self-tuning capabilities, the HP Multi-Port EFI System will get you to the cruise or race in no time. HP Multi-Port Systems include an intake manifold, billet throttle body, ECU, wiring harness, fuel rails, and related small parts.
Fuel pumps and Injectors are available separately to fit your requirements.
