Speedometer Calibrator Inline Ford F-250/F-350 Super Duty 4WD (2011-2016) Rough Country Apparel / Accessories - Apparel & Lifestyle - Storage Container Gas models will require exhaust

Gas models will require exhaust modification

Weld on brackets

2025 Ford F-150 SSV 4 Door SuperCab Pickup

2019-2026 GMC Sierra 1500 SLE

Customers can now hook up accessories like aftermarket lights

Speedometer Calibrator Inline Ford F-250/F-350 Super Duty 4WD (2011-2016) Rough Country Apparel / Accessories - Apparel & Lifestyle - Storage Container Gas models will require exhaustPut 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. 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