For GM 8.5/8.625"
8.25 in.; 8.875 in. 12 Bolt; Dana 30 GM 8.5 in.~Pinion depth shims
For GM 8.5/8.625"
For GM 7.5"/7.625"; 2.25" OD; 1.45" ID
Browse our selection of quality differential pinion shim parts designed specifically for your Buick Riviera. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · GS · LXXV Anniversary Edition · SR · Sport
Coupe
V8 5.7L · V8 6.6L · V8 7.5L
Automatic
