Richmond Lightweight Ring & Pinion - 4.86 Ratio - 10 Spline Pinion - 12-Bolt Quick Change HEL61614 All of the critical functionality

All of the critical functionality is retained - 2-circuit metering

Street Stock Bodies

wire ring design provides highly concentrated sealing around the combustion chamber

2007-2017 Ford Expedition XLT

Richmond Lightweight Ring & Pinion - 4.86 Ratio - 10 Spline Pinion - 12-Bolt Quick Change HEL61614 All of the critical functionalityRichmond 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.