Product Overview
Hypertech 730133 in-Line Speedometer Calibrator for 2019-2021 Ram 1500-3500
- In-line module to correct the speedometer for non-stock tire sizes and/or gear ratios
- Installs easily to the factory wring harness - No Splicing Required
- Perfect for vehicles with computers that don’t allow for tire size and/or gear ratio correction
- No limitations for increasing tire height or gear ratio
- Provides accurate speedometer readings as required by law
