OVERVIEW
Features
Resets your speedometer to accurate readings for larger tiresEasy Plug and Play connectionUpdates OE ECM Shift Points to accommodate larger tiresRecalibrates Electronic Stability Control to work with larger tiresOption to return to stock settings1-year warranty
Notes
Download the latest software update here Rough Country's Speedometer Calibrator can only be used with one vehicle at a time.As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicles until the programmed vehicle is returned to stock settings.Diesel models only Does NOT fit Gas models, for gas models use Emissions Certifications: Not for sale or use in California
Install Time
Instruction
View Instruction SheetFitment
2017-2019 2WD Chevy Silverado 2500 HD2017-2019 4WD GMC Sierra 2500 HD2017-2019 2WD Chevy Silverado 3500 HD2017-2019 2WD GMC Sierra 2500 HD2017-2019 4WD GMC Sierra 3500 HD2017-2019 2WD GMC Sierra 3500 HD2017-2019 4WD Chevy Silverado 2500 HD2017-2019 4WD Chevy Silverado 3500 HD
Tire Fitment
Rough Country
