Speedometer Calibrator | Inline | Diesel | Chevy/GMC 2500HD/3500HD (17-19) BIOTHANE COLLAR Rough Country's 3-in lift features

Rough Country's 3-in lift features a set of application-valved lifted struts to provide optimal ride quality and superior looks

making your F-150 ready for any adventure right out of the box

5 in x 10 in)

Notes: Does Not fit Dana 30 Low Pinion axles Master install/bearing kit sold separately

7L diesel engine with enough fuel for up to 1000 HP

Speedometer Calibrator | Inline | Diesel | Chevy/GMC 2500HD/3500HD (17-19) BIOTHANE COLLAR Rough Country's 3-in lift featuresPut 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