Holley - DOMINATOR EFI ECU Holley the system was designed for

the system was designed for maximum belt wrap

Progressive control based on time

GM MLS Cylinder Head Gaskets

Authentic GM Flex Fuel sensor & OEM connectors

Holley - DOMINATOR EFI ECU Holley the system was designed forThe new standard in EFI with virtually unlimited capabilities! Integrated electronic transmission control, drive by wire throttle control, dual wideband oxygen sensor capability, extensive amount of inputs and outputs for various combinations, and much more. Dominator EFI systems are sold Build to Order. The following must be purchased for a complete system: ECU (includes software and programming cable), Wideband Oxygen Sensors, Main Wiring Harness,