Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Vote for the Site Favourite ROTM winner for the year of 2021 HERE!

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-1 of 1 Results
  1. Wheels & Tires
    Hey, i have a 2020 international CV, i put new 40.5 wheels on it. i want to have the speedometer calibrated but not sure where to start. Rough Country said try Hypertech, i called hypertech, they were no help. anyone have any ideas? can point me in the right direction. Thanks in Advance
1-1 of 1 Results