Tuff Country 4-degree axle shim, 2-inch wide with 3/8-inch center pins, is designed for use between the rear axle and leaf springs on a wide range of trucks and SUVs. The tapered shim changes the pinion angle to help eliminate rear-end vibration that can result from lift kit installation, improving driveline alignment.
Tuff Country 4 Degree Axle Shims 2in Wide w/ 3/8in Center Pins Pair