Motive Gear PRO Ring & Pinion Gear Set, 3.89:1 Ratio (MOTF990389BP)

Motive Gear Performance competition-grade products are engineered to endure extreme punishment in dedicated racing vehicles operating in the harshest environments. They can be found in the winner's circle at NHRA, IHRA, SODA, SCORE, BITD, Ultra-4, and NASCAR events. The superior quality of Motive Gear Performance Pro Gears ring and pinion sets is the result of years of racing development, outstanding design, and state of the art manufacturing methods.

Pro Gears competition-grade gear sets are cut from 9310 steel, and then heat-treated to a precise hardness through a computer-controlled process. They are available in the widest selection of gear ratios for all popular axle housings. Racers know Motive Gear Performance ring and pinion sets will see them through to the checkered flag race after race. All Motive Gear Performance products meet strict quality standards through advanced manufacturing techniques and extensive testing is performed on all products by their in-house engineers. Competition-grade Motive Gear Performance Pro Gears ring and pinion sets are used by the top drivers and racing teams worldwide. Winning is number 1, and Motive Gear can get you there!