Inline Speedometer Calibrator 2019-2022 GM Trucks And Full-Sized SUVs
All valid gear ratios supported
Tire Sizes Lower limit 50% of stock tire size - no upper limit
Internet Updateable
CARB E.O. D-260-43
Hypertech?s In-line Speedometer Calibrator Module is an in-line module to correct your computer readings for non-stock tire sizre sizes and/or rear gear ratios.