Rough Country Speedometer Calibrator Chevy/GMC 2500HD/3500HD (24-25) Bumper Spacer will vary meaningfully by tire

will vary meaningfully by tire and wheel manufacturer

the stock tune runs out of steam on the top end while Derringer continues to pull strong

0 Performance Series shocks for maximum performance on and off-road

Part # KR6292

Rough Country Speedometer Calibrator Chevy/GMC 2500HD/3500HD (24-25) Bumper Spacer will vary meaningfully by tireFeatures Complete the final touch on your lifted vehicle with Rough Countrys Speedometer Calibration Device! Designed for ease of use, this device quickly and effortlessly recalibrates your vehicles speedometer to ensure accurate readings when using larger tires. Resolve Speedometer Discrepancies with Ease: Your vehicles computer is calibrated for stock tire sizes, meaning when you upgrade to larger tires, your speedometer will no longer reflect your