Ring and Pinion Ring And Pinion; Dana 80; 4.10 Ratio; Incl. Gasket/Ft./Rr. Pinion Brgs./Ring Gear Bolts/Seal/Shims/Nut/Washer/Slinge/Baffle; FEATURES: 8620 Material Heat Treated Motive Gear Performance and Motive Gear offer some of the toughest drive train components on the market today. Our products are engineered to withstand the toughest conditions on or off-road. Tight tolerances and a stringent quality assurance process combined with years of racing development, outstanding design, and state-of-the-art manufacturing methods go into products that will last for years. If you require gearsets that can withstand the forces of a 10,000 hp. dragster or help propel an off-road racer 30 feet into the air, Motive Gear can get you there! With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Motive Gear Performance ring and pinions are used by the top drivers and racing teams worldwide. Win with Motive Gear!