Yukon Gear & Axle YGK2122 10.5" GM 14 Bolt 4.88 Ratio Thick Rear Ring and Pinion Gear Install Kit

The Yukon Gear & Axle YGK2122 is a comprehensive re-gear package designed for GM 10.5" 14-Bolt rear differentials with a 4.88:1 gear ratio. This Pro Kit combines a premium ring and pinion gear set with a complete master install kit, providing everything needed for a professional differential rebuild in one convenient part number.

Complete Kit Includes:

• 4.88 ratio thick ring and pinion gear set engineered for high performance and durability
• Master install kit with premium Timken bearings for long-lasting reliability
• All necessary small parts, shims, seals, and hardware for complete installation
• Designed for carrier cases with 4.10 and lower gear ratios
• Uses 1.625" long ring gear bolts (measured under head length)

Application: This kit fits GM 10.5" differentials with a 14-bolt rear cover and 12-bolt ring gear pattern. The 4.88 gear ratio is ideal for heavy towing applications, larger tire sizes, off-road performance, or restoring lost power from oversized wheels and tires.

Premium Yukon Quality: Yukon Gear & Axle uses advanced heat-treating techniques and state-of-the-art manufacturing processes to ensure gears run cooler, quieter, and last longer than competitive products. Each gear set meets or exceeds OEM specifications for superior fit and finish.

Y.E.S. Plan Warranty: Backed by Yukon's Extended Service Plan—a lifetime, no-questions-asked comprehensive warranty that covers your gear set kit for as long as you own your vehicle.