1968 Buick Electra Ring and Pinion Set GM 8.2 in. Rear - Buick, Oldsmobile and Pontiac - Ring and Pinion Set - 3.55 Ratio - 27 Spline Pinion - Rear guaranteed to replace your current 1968 Buick Electra Ring and Pinion Set GM 8.2 in. Rear - Buick, Oldsmobile and Pontiac - Ring and Pinion Set - 3.55 Ratio - 27 Spline Pinion - Rear. 1968 Buick Electra Ring and Pinion Set comes new OEM 1968 Buick Electra Ring and Pinion Set aftermarket new 1968 Buick Electra Ring and Pinion Set of remanufactured 1968 Buick Electra Ring and Pinion Set GM 8.2 in. Rear - Buick, Oldsmobile and Pontiac - Ring and Pinion Set - 3.55 Ratio - 27 Spline Pinion - Rear.