Richmond 3.73 8.2" 10 Bolt GM 13-RS1-B-L Put an end to cold

Put an end to cold start issues

10-12 in Long Shocks

1" x 2" steel frame tubing with main rails drilled for rear axle

Ford Mustang 2007-12

2012-2012 BMW 528i xDrive

Richmond 3.73 8.2" 10 Bolt GM 13-RS1-B-L Put an end to coldProduct Description: Ring and Pinion 3. 73 Ratio 25 Spline Pinion 3 Series 8. 2 in GM 10 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