Manufactured by Belltech | 4973 | 1 Degree Pinion Shim for Pickups with 2.5 inch & 3 inch Wide Leaf Springs , 1 Degree Pinion Shim for Pickups with 2.5 inch & 3 inch Wide Leaf Springs , Belltech alignment kits provide you the solution for all of your alignment needs. If more adjustment for proper rear driveline angles is required, our pinion shims are your solution. Product information updated on 2025-02-03. This product can ship by Small Parcel