Holley Dominator EFI Vehicle Management System

Holley's best EFI with virtually unlimited capabilities! Integrated electronic transmission control, drive by wire throttle control, dual wideband oxygen sensor capability, an extensive amount of inputs and outputs for various combinations, and much more. NEWS FLASH! Holley will soon be shipping PN 554-114LW, a new lightweight version. It utilizes a lighter potting material than the standard Dominator unit (reduces total weight by 1.8 lbs). This lightweight version is specifically intended for drag racing. It is not recommended for use in high-heat conditions (under-hood mounting installations), and applications with high continuous current draw.Both versions are Coast Guard approved. Watch the video down below to see one of these ECUs at work on our dyno. BUY PARTS FROM PEOPLE THAT USE THEM. CALLING THE CATALOG COMPANY WITH TUNING QUESTIONS WILL GET YOU NOWHERE. Software and Firmware Updates - Free Download Dominator® EFI Vehicle Management Systems are intended for all engine applic