The Yukon 10.5" GM 14‑bolt ring-and-pinion kit (4.56 ratio) ships as a full master install package with a 30‑spline Yukon Dura Grip limited‑slip carrier where specified. It contains ring and pinion, Timken bearings and all small parts needed to rebuild the differential, sized for 10.5" ring gear diameter and 14‑bolt rear cover/12‑bolt ring gear applications, and is covered under Yukon’s Y.E.S. Plan.
Yukon Gear 10.5in GM 14 Bolt 4.56 Rear Ring & Pinion Install Kit 30 Spline Positraction