Yukon Gear & Axle YGK2010 GM 8.5in 4.88 Ratio Rear Ring & Pinion Pro Kit with Axle Bearings and Seals

The Yukon Gear & Axle YGK2010 is an all-inclusive Pro Kit combining a high-performance 4.88 ratio rear ring and pinion gear set with a complete master install kit for GM 8.5" 10-bolt rear differentials. Designed for builders who want everything in one part number, this package eliminates the guesswork of sourcing individual components and gets your vehicle off the lift faster.

Kit Contents:

• 4.88 ratio ring and pinion gear set for GM 8.5" 10-bolt rear axle
• 8.5" ring gear diameter, 10-bolt ring gear and rear cover
• Yukon Master Install Kit with premium Timken bearings and races
• LM102949 / LM102911 carrier bearing and race — 1.781" inside diameter, 2.891" outside diameter
• Axle bearings and seals included
• All necessary small parts for a complete differential rebuild

Key Specifications:

• Gear Ratio: 4.88
• Ring Gear Diameter: 8.5"
• Carrier Bearing Journal: 1.781"
• Bolt Pattern: 10-bolt ring gear and rear cover

Why Yukon Pro Kits? Yukon engineers use state-of-the-art design, advanced heat-treating techniques, and rigorous quality testing to ensure each gear set meets exacting specifications. The included Timken bearings are among the most trusted names in bearing technology, providing the durability and precision needed for a quiet, long-lasting gear setup. Whether you're upgrading for larger tires, improved towing, or performance re-gearing, the YGK2010 delivers professional-grade results in a single, convenient package.