The Yukon 9.75-inch Ford rear ring-and-pinion install kit (3.55 ratio) pairs a Yukon ring and pinion with a 34-spline Dura Grip limited-slip Positraction and 2.53-inch outer-diameter axle bearings and seals to service a 9.75" Ford rear axle. The Pro Kit includes a Yukon Master Install kit with Timken bearings and the necessary small parts, and the Positraction units are rebuildable as specified. Yukon offers a Y.E.S. lifetime protection plan for gear sets.
Yukon Gear 9.75in Ford 3.55 Rear Ring & Pinion Install Kit 34 Spline Positraction Axle Bearings