The Dominator EFI Engine Control Unit is Holley's top-tier standalone ECU, built to manage everything from a street engine swap to an unlimited high-end race combination with extensive inputs and outputs.

Holley 554-114 Features:

• Integrated electronic transmission control and drive-by-wire throttle control.
• Dual wideband oxygen sensor capability for precise tuning.
• Sealed automotive and marine grade connectors.
• Self-tuning fuel table adjusts while you drive.
• Configurable password protection to secure your tune.