49-0113-1 Richmond Gear Chevy 12 Bolt Car 3.42 Ratio Ring & Pinion Set
3 Series Fits 3.07 to 3.73 Ratio Carrier, 4 Series Fits 3.90 and Numerically Higher Carrier. •30 Spline, 1.625 Diameter Pinion. •1965-72 Bel Air, Caprice, Impala, Chevelle, El Camino, Chevy II, 1967-72 Camaro, 1970-72 Nova, GTO, Firebird, 68-69 Olds F-85
3 Series Fits 3.07 to 3.73 Ratio Carrier, 4 Series Fits 3.90 and Numerically Higher Carrier. •30 Spline, 1.625 Diameter Pinion. •1965-72 Bel Air, Caprice, Impala, Chevelle, El Camino, Chevy II, 1967-72 Camaro, 1970-72 Nova, GTO, Firebird, 68-69 Olds F-85