Speedometer Calibrator | Ford Bronco/Bronco (2 Door)/F-150/F-250/F-350

<p>Put the finishing touch on your lifted vehicle with Rough Country’s Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps you quickly and easily reprogram your vehicle’s speedometer to match the output of your larger tires.<br /><br />Your vehicle's computer is designed to track the speed based on your stock tire height. When upgrading to larger tires, there will be a discrepancy between your actual speed and the readout on your speedometer.<br /><br />Rough Country’s Speedometer Calibration Devices don’t just simply change your in-dash readout, they update your vehi

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.