Richmond Lightweight Ring & Pinion - 4.86 Ratio - 10 Spline Pinion - 12-Bolt Quick Change 289 The blue housing is also

The blue housing is also molded from high dielectric Rynite material

and aftermarket upgrades

00" Bolt Pattern - Black 160-3411A

User selectable units for imperial and metric measures

Richmond Lightweight Ring & Pinion - 4.86 Ratio - 10 Spline Pinion - 12-Bolt Quick Change 289 The blue housing is alsoRichmond 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.