Holley Dominator EFI Vehicle Management Systems 550-659
Part Number: HLY-550-659
Holley Dominator EFI Vehicle Management Systems
Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Drive-by-wire, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit
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Estimated Ship Date: Nov 9, 2026 Would you rather pick it up?
Overview
Holley Dominator EFI Vehicle Management Systems
Holley Dominator EFI vehicle management systems are intended for all engine applications, from street to high-end racing. They have nearly unlimited capabilities to control any power adder, input, or output that you can throw at them.
Features include:
* 12 sequentially driven 8:2 peak and hold injector drivers capable of driving up to 24 low or high-impedance injectors
* 12-channel distributorless ignition outputs capable of directly driving smart ignition coils or Holley DIS coils
* Plug-and-play control of factory GM 24x and 58x LSX engines
* Integrated electronic transmission control--currently can control GM 4L60E and 4L80E
* Integrated dual channel wideband oxygen sensor controls, work with NTK or Bosch sensors
* Integrated drive by wire throttle body control, can control two drive by wire throttle bodies
* 4-stage progressive nitrous oxide controller
* Turbo boost control
* Integrated water/methanol injection control
* Integrated data acquisition and control allowed with massive amount of programmable inputs and outputs
* Internal data logging standard with a huge 2 GB of memory
* Self-tuning fuel table strategy greatly simplifies tuning process
* Store and change between four calibrations
* Individual cylinder fuel and spark control allows you to unlock your engine's potential
Applications
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