Universal fit for custom multi-port fuel injection systems enables broad application across various engine builds
Integrated electronic transmission control supports GM 4L60E and 4L80E, Ford AODE, and future 4R70W transmissions for seamless power management
Dual channel wideband oxygen sensors provide precise monitoring of both engine banks for improved combustion efficiency
Twelve sequentially driven injector drivers and twelve-channel distributorless ignition support advanced fueling and ignition strategies for high-performance engines
Configurable user password protection and self-tuning fuel table strategy enhance security and simplify ongoing tuning
Summarized by Shop
Dominator EFI ECU 554-114
HP EFI ECU, USB Cable, and Software
Overview Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an altern
Engine Control Module (ECU)
Holley Dominator EFI
Inputs/Outputs
Extensive, including dual wideband oxygen sensors, injector drivers, distributorless ignition, and more
Fuel System
Supports water/methanol injection and multiple injector strategies
Transmission Control
Supports GM 4L60E, 4L80E, Ford AODE, and 4R70W (future models)
Map Sensor
1.7 bar MAP sensor capability for naturally aspirated or boosted applications
Dimensions
Fully potted, suitable for engine compartment or interior mounting