Ford Sterling 10.25” (10.25” and 10.5” Axles) Yukon Ring and Pinion Gear Set - 4.88 (Long Spline),Yukon Gear & Axle (YG F10.25-373L) High Performance Ring & Pinion Gear Set for Ford 10.25 Differential, Ford 10.25 in 3.73 Ratio,Suzuki Bearing & Seal Kits – NACSTARUSA,USA Standard Gear (ZK F10.25) Master Overhaul Kit for Ford 10.25 Differential,Yukon Master Overhaul kit for Ford 10.25