The Yukon 8.25-inch CHY 3.91 Rear Ring & Pinion Install Kit is a comprehensive re-gear solution designed for high-performance differential rebuilds. It includes front and rear ring and pinion gear sets, along with the necessary Yukon Master Overhaul Kits, all consolidated into a single part number. Yukon Gear & Axle's gear sets are recognized as industry benchmarks for quality, utilizing advanced heat-treating techniques and rigorous quality testing to ensure durability and precise surface finishes. This kit provides all the essential components—gears, bearings, seals, and small parts—needed to fully restore or upgrade your differential, supporting ratios from 3.73 to 5.38. The product offers a reliable, high-performance upgrade for demanding applications, whether for increased towing capacity, off-road use, or replacing worn gears.
Designed for 8.25-inch rear axles, this kit is suitable for vehicles requiring a 3.91 ratio and features 1.618-inch ID axle bearings and seals. It is ideal for use in various off-road, towing, or performance street applications, serving as a direct replacement or upgrade for stock components. Installation involves replacing existing gears and bearings with the included parts, making it suitable for experienced DIY enthusiasts or professional mechanics. The kit ensures a precise fit and long-lasting performance, helping improve vehicle handling, towing capacity, and off-road capability.
