SPEEDOMETER CALIBRATOR 21-25 BRONCO/ 21-25 F150/ 17-25 S/DUTY

• Resets your speedometer to accurate readings for larger tires
• Updates OE ECM Shift Points to accommodate larger tires
• Recalibrates Electronic Stability Control to work with larger tires
• Option to return to stock settings
• 1-year warranty

Important Note: Does NOT work on 2022+ F-150 models equipped with a front facing camera. This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer. Emissions Certifications: Not for sale or use in California. 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.