69-0378-1 - Richmond Gear GM 12-Bolt Ring & Pinion Sets Details
12-Bolt 8.875'' Passenger
8.875'' Diameter Ring Gear
1.625'' Pinion Diameter
30 Spline Pinion
''C'' Axle Only
3-Series fits 3.07 to 3.73 ratio carrier.
4-Series fits 3.90 and numerically higher carrier. When installing 5.14 to 6.14 ratios, differential pin P/N 80-0269-1 must be used.
Fits: 65-72 Bel Air/Caprice/Impala/Chevelle/El Camino/Chevy II, 67-72 Camaro, 70-72 Nova/GTO/Firebird, 68-69 Olds F-85
Use installation kit P/N 836-83-1019-1 or 836-83-1019-M.