The Yukon 9.25-inch CHY 3.91 Rear Ring & Pinion Install Kit is a comprehensive performance upgrade designed for re-gearing applications. It includes high-quality front and rear ring and pinion gear sets, along with the necessary Yukon Master Overhaul Kits, all consolidated into a single part number for convenience. Yukon Gear & Axle's gear sets are recognized as industry benchmarks for durability and precision, utilizing advanced heat-treating techniques and rigorous quality testing to ensure optimal surface finish and structural integrity. These kits contain gears, bearings, and all small components required for a complete differential rebuild, supporting ratios from 3.73 to 5.38. The kit offers a reliable solution for increasing towing capacity, off-road capability, or replacing worn gears, with the added benefit of Yukon’s lifetime Y.E.S. protection plan.
Designed for vehicles with a 9.25-inch differential, this kit fits a variety of applications requiring a 3.91 ratio and 31 spline positraction setups. It is suitable for use in off-road, towing, or performance street builds, providing a direct bolt-on upgrade for compatible differentials. The kit includes the ring and pinion gears, bearings, and all necessary small parts for installation, streamlining the re-gear process. Compatibility covers specific vehicle models with the appropriate differential size and spline count, making it ideal for those seeking a high-performance, durable gear upgrade to enhance vehicle strength and reliability.
