12-Bolt 8.875" Passenger Car
  • 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.
















  • 12-Bolt 8.875" Truck
  • 3 Series Fits 3.40 and Numerically Lower Ratio Carrier, 4 Series Fits 3.73 and Numerically Higher Carrier.
  • 30 Spline 1.438" Diameter Pinion.