Autotrend EFI
Diamond Springs, California, United States
Tunes Holley EFI on its own engine dyno. Listed by Holley EFI as a dealer, so you can buy the ECU here too.
At a glance
- Tunes
- Holley EFISells too
- Dyno
- Engine dyno
- Address
- Diamond Springs, CA · street not published
- Phone
- (530) 642-0999
- Website
- autotrendefi.com
Other dyno tuners nearby
- DynoWestAuburn, CA · 26 mi · Holley EFI
- MOTOR MACHINE SUPER SHOPCarmichael, CA · 27 mi · Holley EFI
- TBR GarageSacramento, CA · 33 mi · Holley EFI
- No Limit CustomsRiverbank, CA · 67 mi · Holley EFI
Still choosing an ECU?
Entry units from the brands Autotrend EFI tunes:
- Holley Terminator Xfrom US$1,600
- Holley Terminator X Maxfrom US$2,000
How this listing was checked
Report a mistake on this page. Listed because there's evidence it tunes aftermarket ECUs and has its own dyno. "Sells too" means the ECU maker lists it as a dealer. Checked October 2026. Listings are free and shops can't pay for placement.