Revolution Gear & Axle's precisely controlled manufacturing processes create a flawless setup, smooth operation and longer gear life. Revolution Gear & Axle Ring and Pinion gear sets are backed by an industry leading 2 Year Warranty against manufacturing defects. With products that have been Street, Off Road and Race proven, you can count on Revolution Gear & Axle products to be the most trusted in the aftermarket. Gear Ratio: 4.88 Ratio, Carrier Break: 3.73 And Down Gear Rotation: Reverse