Dominator EFI

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The 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.

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Holley Dominator EFI

Dominator® EFI Vehicle Management Systems are intended for all engine applications, from street to unlimited high-end racing applications. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options, Dominator® systems have nearly unlimited capabilities to control any power adder, input, or output you can throw at them. Need to run a turbocharged, methanol engine V8? No problem with Dominator® EFI. How about control a TH400 with converter dumps and a lock-up converter? No problem. There are also enough inputs and outputs to allow the Dominator® VMSs to serve as their own data acquisition and control module. The Dominator® VMS will eliminate the need for additional controllers as they are all contained in this one unit. The only thing limiting the Dominator® Vehicle Management System is your imagination!


  • EFI with virtually unlimited capabilities!
  • Easy to use intuitive software!
  • Controls, fuel, spark, electronic transmissions, drive by wire TBs, nitrous, boost, water meth and more!
  • Extensive datalogging capabilities!
  • Massive amount of programmable inputs and outputs! 

Holley EFI V6 Updates And Features


  • Plug-and-play harness kits available for GM LS, Ford Coyote, Ford Mod Motor, and Dodge Gen III Hemi as well as universal unterminated harnesses to use on any engine you can imagine
  • Pound per hour and VE fueling strategies let you tune your engine the way you want to
  • Add-ons such as Coyote Ti-VCT control, time-based traction control, and a CAN input/output addition put HP EFI in a class of its own
  • Integrated boost and nitrous control is easy to use and makes add-on control boxes for power adders a thing of the past
  • Built-in base tunes allow you to get your project fired up quickly and easily

Inspiration - Holley's EFI Dominator for Drag Racing


Jämförelsetabell EFI-system (öppnas i nytt fönster)

Holley EFI V6 Software Overview - PDF (öppnas i nytt fönster)

HP and Dominator Component Selection Guide - PDF (öppnas i nytt fönster)


Adding Additional Inputs And Outputs Is Easy With Holley EFI's CAN Input/Output Module - 03/07/2023

Adding Additional Inputs And Outputs Is Easy With Holley EFI's CAN Module Kit -

For high performance machines in the 21st Century, it’s all about control. Horsepower has never been easier to make, but to apply that new-found power means exerting intelligent control over how that power is applied. Electronics have become the easiest way to capture the data, create, and maintain that control. - Read More

Holley's New Dominaor ECU Kits Offer More Features And Easier Installation - 03/25/2022

Holley's New Dominaor ECU Kits Offer More Features And Easier Installation -

Wiring is that panic-inducing side of hot rodding many of us dread. We often wake from nightmares of loose grounds or faulty connections. Well, Holley knows that pain, and developed Dominator EFI kits, to simplify the installation of the Dominator ECU on popular engine applications. Read More

Holley EFI: Version 6 Software Now Available! - 09/29/2020

Version 6 of Holley EFI's popular tuning suite has officially been released and with this revision comes a slew of race-focused updates. With a completely new Individual Configuration File (ICF) for drag racing transmission control, as well as a revised nitrous ICF, this update promises to be the best software yet! Oh, and did we mention it's FREE?! - Read More

Deep Dive: A Look At The Latest Upgrades In Holley EFI V6 Software - 11/05/2020

Computer software is a lot like Midwest weather. If you’re not satisfied with it at this moment, just wait and it will change. The same could be said for Holley’s latest Version 6 (V6) software for the Dominator and HP computers. While Version 5 offers immense power and control and its popularity is growing – drag racers needed a leg up on the ultra-quick cars that are now becoming increasingly popular. - Read More

För mer info ...

Introducing Holley EFI V6 Software Updates

Holley - EFI Tech: Main Harness Overview

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Holley - EFI Tech: Basic Wiring Techniques

Holley - EFI Tech: Connecting to Battery

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Holley - EFI Tech: Proper Grounding

Holley - EFI Tech: Finding 12 Volt Power

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