USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing. All USA Standard Ring and Pinion Gear Sets come with a standard one year warranty against manufacturing defects. Proven manufacturing technologies provide top quality products Ring and Pinion gears from USA Standard ensure affordable reliability as general Oe replacement gear Features and Benefits: All USA Standard Ring and Pinion Gear Sets come with a standard one year warranty against manufacturing defects. Proven manufacturing technologies provide top quality products Ring and Pinion gears from USA Standard ensure affordable reliability as general Oe replacement gear Details: AAP UDA 4: 70 Application Summary: 1965-1972 Buick Electra (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1964-1972 Buick Skylark (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1964-1971 Oldsmobile 442 (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1964-1972 Oldsmobile Cutlass (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1964-1972 Pontiac Gto (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1964-1972 Pontiac Bonneville (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1964-1972 Pontiac Catalina (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1967-1972 Pontiac Firebird (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1964-1972 Pontiac Grand Prix (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1965-1972 Pontiac LeMans (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac) 1964-1970 Pontiac Tempest (Rear) (Note: GM 8.2 inch. Buick, Oldsmobile and Pontiac 3.55 Ratio Buick Oldsmobile Pontiac)