Fits: 2001 thru 2005 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY Duramax Diesel
Easily adjust your speedometer for non-stock tires or gear ratios with the Hypertech Speedometer Calibrator. A user-friendly on-screen menu streamlines the process, reprogramming your vehicle's computer for precise readings in just minutes.
Features:
- Speedometer Correction For Tire Sizes 24-34 inches 1/4 inch increments
- Return Back To Factory Settings
- DTCs Read and Clear
- Internet Updateable
Includes:
- Hypertech speedometer calibrator
Notes:
- Carb E.O. D-260-22