UPR 1963-2001 GM RWD Transmission Mount Shim 4 piece Kit

The UPR aluminum GM Transmission mount shims are a great way to dial in your drivetrain and pinion angles when using the GM rear wheel drive transmission mount. Fits 1963 to 2001 GM mounts, the early style GM mount with 2 studs (1-1/2 center to center) and late model GM mount with a single center stud. Aluminum shims are 1/8" thick and comes in a pack of 4 for up to a 1/2" of adjustment.