Description
Ring & Pinion Set, USA Standard, GM 12-Bolt 8.875" (12P), 3.55 Ratio. Having the right gears in your differential is crucial to your vehicle’s performance. OPGI is proud to offer some of the finest gear sets on the market today. All ring and pinion gear sets are precision engineered to OE tolerances. Fits 1964–1977 Chevrolet Chevelle, 1964–1977 Chevrolet El Camino, 1970–1977 Chevrolet Monte Carlo, 1970–1973 Pontiac GTO.







