Rough Country 90045 Speedometer Calibrator | Chevy/GMC 1500/2500HD 2WD/4WD Model_General 4 1000 Premium 600 lumens of output

600 lumens of output

reliable installation

Lighting and Recovery Ready: This winch bumper is available with Rough Country's 6 inch slimline LED light bar producing 2400 lumens of focused illumination

Fabricated Rear Blocks: Tougher than cast alternatives

Rough Country 90045 Speedometer Calibrator | Chevy/GMC 1500/2500HD 2WD/4WD Model_General 4 1000 Premium 600 lumens of outputPut 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