Gwatney Performance Innovation
Jacksonville, Arkansas, United States
Dyno: Chassis dyno
TunesHolley EFI ✓
ECU dyno tuners in Arkansas
2 shops in Arkansas have their own dyno and tune aftermarket engine control units (ECUs). Most tuned here: Holley EFI (2).
Jerry's Performance
Magazine, Arkansas, United States
Dyno: Chassis dyno
TunesHolley EFI ✓
More ECU dealers in Arkansas
These shops are on an ECU maker's dealer list, but there's no evidence yet that they have their own dyno. Call ahead before you book a tune.
- EuroTek Specialists Bentonville Haltech, Link ECU
- Leash Electronics Ar MaxxECU
Checked October 2026. All dyno tuners · United Kingdom · Australia · Canada · New Zealand · Germany · France · Switzerland · Sweden