HyperPAC In-line Speedometer Calibrator Module for Chevy GMC Gas Trucks and SUVs
INSTALLATION:
Using the USB cable connects the In-line Speedometer Calibrator Module for Chevy GMC 6.6L Duramax to your PC and enter the new tire height and/or rear gear ratio. There are no limitations for increasing tire height or rear gear ratios. Next, simply disconnect the factory connector to the instrument cluster (behind the dash), snap in the Speedometer Calibrator Module, reconnect the cluster, and you’re done! In a matter of minutes, you can accurately correct your speedometer and odometer readings (as required by law).
- Tire Size: No Limit
- Gear Ratio: No Limit
- Recalibrates for non-stock tire sizes and/or rear gear ratios
- Kit includes USB cable and software CD
- Installs easily to the factory wiring harness - no splicing!