69-0302-1 - Richmond Gear GM 12-Bolt Ring & Pinion Sets Details
12-Bolt 8.875'' Truck
8.875'' Diameter Ring Gear
1.438'' Pinion Diameter
30 Spline Pinion
Irregular 12 bolt hole cover
3-Series fits 3.40 and numerically lower ratio carrier.
4-Series fits 3.73 and numerically higher carrier. When installing 5.13 and 5.38 ratios, differential pin P/N 80-0269-1 must be used.
Fits: 64-82 Blazer/C10 & K10 rear/K20 rear (Note: Will not fit 2.56 & 2.73 carrier on 80-83 Truck and Blazer.), 69-81 G10 & G20 Van
Use installation kit P/N 836-83-1018-1 or 836-83-1018-M.
When installing 5.14 to 6.14 ratios, differential pin P/N 836-80-0269-1 must be used.