Motive Gear GM 10-Bolt 8.5" Ring & Pinion Set - 4.56 Ratio - 41-9 Teeth BR30012 Designed to reduce the risk

Designed to reduce the risk of shoulder injury in the event of a crash

Early model heads need to be drilled and tapped

2005-2016 Ford F-550 Super Duty

The GT dramatically improves the utility of your vehicle by increasing horsepower

you'll wonder why you ever struggled with a speedometer before

Motive Gear GM 10-Bolt 8.5" Ring & Pinion Set - 4.56 Ratio - 41-9 Teeth BR30012 Designed to reduce the riskMotive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off road, check out Motive Gear. Motive Gear products can be found in the winners circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of