Richmond Ring & Pinion - 4.12 Ratio - 10 Spline Pinion - 12-Bolt Quick Change RPCR2340BK you can run tight piston

you can run tight piston

and produce significantly more horsepower and torque

Endless opportunities to take your aviation headset on other adventures

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Richmond Ring & Pinion - 4.12 Ratio - 10 Spline Pinion - 12-Bolt Quick Change RPCR2340BK you can run tight pistonRichmond 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 4. 12 Ratio 10