DD84 information
Remote Tuning & Pre-Made Calibrations — USA & Canada
Get DD84 calibration support online for supported GM, Ford, Dodge, Holley EFI, Haltech and FuelTech applications.
Best Fit
- GM LS / LT and swap projects
- Ford performance applications
- Dodge / Hemi platforms
- Cammed and modified street vehicles
- Holley EFI and aftermarket ECU builds
Customers with approved stock ECMs can use the DD84 HP Tuners loaner program when they do not own a compatible interface.
Shop ECM-Matched Files | Start Remote Tuning
Not sure what fits? Start with the Compatibility Review.