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 Speedo Cal 2017-19 Legacy GM Trucks+Full Size SUVs (Ex 19 New Body Truck)
Original price was: $249.95.$62.49Current price is: $62.49.