Yukon Gear & Axle YGK2014 8.5" GM 4.56 Ratio Ring and Pinion Master Install Kit

The Yukon Gear & Axle YGK2014 is a comprehensive differential upgrade package designed for GM 8.5" 10-bolt rear axles. This complete kit includes a 4.56 ratio ring and pinion gear set, master installation components, and axle bearings and seals—everything needed for a professional differential rebuild in one convenient package.

Key Features:

• Premium 4.56 ratio ring and pinion gear set for improved acceleration and towing capability
• 8.5" ring gear diameter for GM 10-bolt rear differentials
• Master install kit with high-quality Timken carrier bearings (LM501349)
• Carrier bearings feature 1.625" inside diameter and 2.891" outside diameter
• Includes complete axle bearing and seal set for total rear end service
• Fits applications with 10-bolt rear cover and 10-bolt ring gear pattern
• Designed for 1.625" carrier bearing journal applications
• Backed by Yukon's industry-leading warranty

Yukon Pro Kits are engineered to provide premium differential repair and performance parts in a single, cost-effective package. By including all necessary components—from the gear set to the smallest installation hardware—this kit saves valuable time during installation and ensures component compatibility. The inclusion of premium Timken bearings and precision-manufactured gears ensures long-lasting performance and durability under demanding conditions.

This kit is ideal for enthusiasts looking to optimize their gear ratio for better off-road performance, improved fuel economy at highway speeds, or enhanced towing capability with larger diameter tires. The 4.56 ratio provides an excellent balance for trucks and SUVs running oversized tires or requiring additional low-end torque.