Gear and Install Pkg YGK2131 ,07,10.5,3.73,99,F250/,F350,FORD,GEAR/,INSTALL,KIT,PACKAGE,R&P,REAR,SRW,YGK, 10.5" Ford 3.73 Rear Ring and Pinion and Install Kit 10.5" FORD 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE, '99-'07 F250/ F350 SRW Yukon Gear and Axle 10.5" Ford, 3.73 Ratio Rear Ring and Pinion Gear Set and Master Install Kit Package, Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear and Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle.If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click. Comes with NP 504493/ NP 949481 Inner Pinion Bearing and Race For Applications with 12 Bolt Rear Cover and 12 Bolt Ring Gear Pro Kits feature the highest quality components and are backed by the best warranty in the business. Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly. The Ring Gear Diameter is 10.5" Yukon Pro Kits offer premium differential repair and performance parts in several convenient packages to save time and money by including everything you need in one simple part number. This particular kit contains a 3.73 Ring and Pinion Gear Set 10.5" Ford 3.73 Rear Ring and Pinion and Install Kit