Rough Country Speedometer Calibrator - 90048 Coil Spring Spacer 5" Lift Kit - 07-13

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Rough Country Speedometer Calibrator - 90048 Coil Spring Spacer 5" Lift Kit - 07-13Put 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 vehicles 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.