Yukon Gear & Axle YGK2009 8.5" GM 4.56 Ratio Ring and Pinion Gear Set with Master Install Kit

The Yukon Gear & Axle YGK2009 is a comprehensive differential upgrade package designed for GM 8.5" rear axles with 10-bolt covers. This Pro Series kit combines a premium 4.56 ratio ring and pinion gear set with a complete master install kit, axle bearings, and seals—everything needed for a professional differential rebuild in one convenient package.

Key Features:

• Complete package includes 4.56 ratio ring and pinion gear set, master install kit, axle bearings, and seals
• Designed for GM 8.5" ring gear diameter applications with 10-bolt rear cover and 10-bolt ring gear
• Fits applications with 1.781" carrier bearing journal
• Includes premium Timken LM102949/LM102911 carrier bearings and races (1.781" ID, 2.891" OD)
• Features high-quality Yukon ring and pinion gears manufactured to OEM specifications
• Master install kit contains all necessary small parts, shims, and hardware for complete installation
• Backed by Yukon's industry-leading warranty for peace of mind

Yukon Pro Series kits are engineered to save time and money by eliminating the need to source individual components. Each kit is carefully assembled with premium differential repair and performance parts, allowing professional installers and enthusiasts to complete differential rebuilds efficiently with confidence in component quality and compatibility.