Yukon Gear & Axle YGK2113 Master Install Kit 11.5" GM 14 Bolt 4.11 Ratio Ring and Pinion

The Yukon Gear & Axle YGK2113 is a complete differential upgrade package for GM 11.5" AAM (American Axle Manufacturing) rear axles with 14-bolt covers. This comprehensive kit combines a precision 4.11 ratio ring and pinion gear set with a master install kit containing all necessary bearings and small parts for professional installation.

Kit Components:

• Premium 4.11 ratio ring and pinion gear set with 11.5" ring gear diameter
• Master install kit with high-quality Timken bearings
• Inner pinion bearing and race (NP673386/NP516549) with 4.375" outside diameter
• All necessary shims, seals, and small parts for complete installation

Application:

• Fits GM and Chrysler/Dodge/Ram vehicles with 11.5" AAM rear axles
• Designed for 14-bolt rear cover with 12-bolt ring gear pattern
• Compatible with 4.375" OD inner pinion bearing applications

Yukon Pro Kit Advantages:

• Complete package eliminates guesswork and multiple part orders
• Premium components backed by industry-leading warranty
• Reduces installation time with all components in one kit
• Precision-matched gears for quiet operation and long service life

This kit provides everything needed for a professional differential rebuild or gear ratio change, making it ideal for towing upgrades, performance applications, or differential repair.