1967 Buick Skylark Ring and Pinion Set GM 8.2 in. Rear - Buick, Oldsmobile and Pontiac - Ring and Pinion Set - 3.73 Ratio - 27 Spline Pinion - Rear guaranteed to replace your current 1967 Buick Skylark Ring and Pinion Set GM 8.2 in. Rear - Buick, Oldsmobile and Pontiac - Ring and Pinion Set - 3.73 Ratio - 27 Spline Pinion - Rear. 1967 Buick Skylark Ring and Pinion Set comes new OEM 1967 Buick Skylark Ring and Pinion Set aftermarket new 1967 Buick Skylark Ring and Pinion Set of remanufactured 1967 Buick Skylark Ring and Pinion Set GM 8.2 in. Rear - Buick, Oldsmobile and Pontiac - Ring and Pinion Set - 3.73 Ratio - 27 Spline Pinion - Rear.