Tuff Country 03-13 Ram 2500 4wd / 03-23 Ram 3500 -6 Degree Axle Shims 3in Wide 1/2in Center Pins Pr

Tuff Country's axle shim are designed to fit the rear end of most trucks and suvs with leaf springs. Used to change the angle of the rear differential to eliminate or lessen rear end vibration due to installation of some lift kits.