928 X MOTORSPORTS
Yuma, Arizona, United States
Tunes Holley EFI on its own Mustang MD-1100-SE-AG chassis dyno. Listed by Holley EFI as a dealer, so you can buy the ECU here too.
At a glance
- Tunes
- Holley EFISells too
- Dyno
- Mustang MD-1100-SE-AG chassis dyno · 2WD chassis
- Address
- 12209 South Ave. #4E
Yuma, AZ 85365 - Phone
- 928-750-4361
Other dyno tuners nearby
- Horsepower Connection (The EFI Store)Lake Havasu City, AZ · 127 mi · Haltech, Holley EFI
- Modern Performance and TuningGlendale, AZ · 150 mi · Holley EFI
- JBA Speed ShopSan Diego, CA · 150 mi · Haltech, Holley EFI
- Chuck's Speed CenterPhoenix, AZ · 153 mi · Holley EFI
Still choosing an ECU?
Entry units from the brands 928 X MOTORSPORTS 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.