The Yukon 9.75-inch Ford rear ring-and-pinion install kit (3.55 ratio) pairs a Yukon ring and pinion with 2.53-inch outer-diameter axle bearings and seals to rebuild a 9.75" Ford rear axle. Delivered as a Pro Kit, it includes a Yukon Master Install kit with Timken bearings and all small parts required for reassembly. Yukon markets these kits to save time on re-gear projects and supports its gear sets with a Y.E.S. lifetime protection plan.
Yukon Gear 9.75in Ford 3.55 Rear Ring & Pinion Install Kit 2.53in OD Axle Bearings and Seal