Speedometer Calibrator | Chevy/GMC 1500/2500HD/3500HD (07-18) 2018-audi-q5-sportback-esi5641650 Fuel burns more efficiently raising

Fuel burns more efficiently raising MPG with fewer emissions

Keeps Elements Out

making the baseplate practically invisible to the untrained eye

gross trailer weight and 600 lbs

Speedometer Calibrator | Chevy/GMC 1500/2500HD/3500HD (07-18) 2018-audi-q5-sportback-esi5641650 Fuel burns more efficiently raisingPut the finishing touch on your lifted vehicle with Rough Countrys Speedometer Calibration Device! This easy to use Speedometer Calibrator helps you quickly and easily reprogram your vehicles speedometer to match the output of your larger tires. 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