Richmond Ring and Pinion Set - 4.10 Ratio 12 Bolt GM 721065 they are supplied as a

they are supplied as a kit consisting of a spacer for the water pump and distributor ends and four 3/16" roll pins to secure them to the block

A new feature with these control arms are the billet aluminum shafts which help reduce front end weight yet provide durability for street driving

870 in / 0

Aluminum bracket fits 2" x 2" tubing

Richmond Ring and Pinion Set - 4.10 Ratio 12 Bolt GM 721065 they are supplied as aProduct Description: Ring and Pinion Pro Gear 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