Richmond Lightweight Ring & Pinion - 4.12 Ratio - 10 Spline Pinion - 12-Bolt Quick Change BOYOP3065R/L-2 Our success is measured by

Our success is measured by the satisfaction and achievements of those who use our products

Exterior Trim

But that's not all

2200 / 7900 RPM

This two-point design solidly links the front strut towers

Richmond Lightweight Ring & Pinion - 4.12 Ratio - 10 Spline Pinion - 12-Bolt Quick Change BOYOP3065R/L-2 Our success is measured byRichmond Gear is the leading manufacturer of professional quality, high performance drivetrain products. Our complete line of products ranges from high performance ring and pinion sets for serious street and racing applications to torque hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U. S. Nationals for decades. WINNERS RUN RICHMOND! Product Description: Ring and Pinion Lightweight 4.