Richmond 4.10 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 4 Series - GM 12 Bolt 42038BK Setup includes the market's fewest

Setup includes the market's fewest connection wires

Stores up to 10 custom tune files

B&M Shifters Pre 1981

Replacement Arm (Only) for JOES Sealed Ball Bearing A-Arm

1 in Wide Spring Steel

Richmond 4.10 Ratio Ring and Pinion 30 Spline Pinion 8.875" Ring Gear 4 Series - GM 12 Bolt 42038BK Setup includes the market's fewestProduct Description: Ring and Pinion 4. 11 Ratio 30 Spline Pinion 4 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