This module is perfect for vehicles with computers that don?t allow for tire size and/or rear gear ratio correction or re-calibrate for tire sizes and/or rear gear ratios outside the range of programmers.
Speedometer Calibrator
Inline Speedometer Calibrator 2014-16 GM 1500 Trucks; 2015-2016 Gm
Original price was: $324.76.$64.95Current price is: $64.95.