Over the years, Holley has released numerous updates to their software, but older versions often become difficult to find as time goes on. This section is dedicated to preserving and providing access to those older versions, ensuring you have a reliable resource when you're in a pinch. While we recommend using the latest software and firmware versions for the best performance and compatibility, these older versions are available to help users retrieve information from their ECUs before upgrading. If you have a version that isn’t listed here, please reach out to us at support@mfkustoms.com. We’d love to collaborate and add your installer file(s) to the collection to support the community!
HP / Dominator
v6
- Build 110
- Build 200
- Build 220
- Build 300
- Build 311
- Build 400
v5
- Build 30
- Build 110
- Build 140
- Build 160
- Build 171
v4
v3
v2
Terminator X / X Max
v3
v2
- Build 50
- Build 70
- Build 80
v1
Disclaimer:
The Holley logo and the name "Holley" are trademarks and intellectual property of Holley Performance Products. They are used here solely for identification purposes. M.F. Kustoms, LLC is not affiliated with or endorsed by Holley Performance Products. All rights to the Holley name and logo remain the property of Holley Performance Products.