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 2011-2014 Ford F-250-F-550 (All Engines)
Original price was: $249.95.$62.49Current price is: $62.49.