Richmond 3.08 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 3 Series - GM 12 Bolt YA0870 then a final precision ground

then a final precision ground radius cut - this process overcomes wear patterns and resulting failure

1991-1991 GMC C5000 Topkick

Dodge & Plymouth Torqueflite A727 (36RH/37RH)

not the older style cores some manufacturers offer

These LONG-TUBE headers fit 1964-73 Ford Mustang and Falcon

Richmond 3.08 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 3 Series - GM 12 Bolt YA0870 then a final precision groundProduct Description: Ring and Pinion 3. 08 Ratio 30 Spline Pinion 3 Series 8. 875 in GM 12 Bolt Richmond Gear is famed for their tough and reliable ring and pinion sets. That same level of reliability and precision is available in their other driveline products, including differentials, racing Transmissions, driveshaft components, and more. Racecars around the world rely on Richmond premium gearsets and Transmissions; your hotrod will run better than