The Yukon 8.8" Ford 3.55 rear ring-and-pinion master kit combines a 3.55 ratio gear set with 2.99" OD axle bearings, seals and complete install hardware for 10-bolt 8.8" rear applications. Yukon packs matched, heat-treated ring and pinion with high-quality install components to simplify differential rebuilds, whether you’re replacing worn gears or adjusting ratios for towing or tire changes.
Yukon Gear 8.8in Ford 3.55 Rear Ring & Pinion Install Kit 2.99in OD Axle Bearings and Seals