USA Standard Gear ZGK2117: 11.5" AAM 4.56 Rear Ring & Pinion with Install Kit and Posi

The USA Standard Gear ZGK2117 is a comprehensive solution for those looking to enhance the performance of their differential. This kit includes a high-quality 4.56 ratio rear ring and pinion gear set, a complete master install kit, and a Yukon Dura Grip limited slip positraction unit. Designed specifically for 11.5" AAM differentials, this package offers the durability and performance needed for both daily driving and off-road adventures.

Key Specifications

• Material: High-strength nodular iron for the ring and pinion, ensuring longevity and reliability.
• Dimensions: 4.56 gear ratio, compatible with a 4.375" outer diameter inner pinion bearing.
• Construction: Features forged 4320 chromoly spider gears and composite clutches for enhanced traction.

Performance Features

The Yukon Dura Grip limited slip unit provides a balance of smooth engagement and aggressive traction, making it suitable for various terrains. This unit is also fully rebuildable, ensuring you can maintain performance over time without needing a full replacement.

Installation Notes

Installation of the ZGK2117 requires standard differential tools and knowledge of gear setup procedures. The kit includes all necessary components for a complete installation, making it straightforward for those familiar with differential work.

Vehicle Fitment

This kit is confirmed to fit the following models:

• Chevrolet Silverado 2500 (2010-2017)
• Chevrolet Silverado 2500 HD (2019)
• Chevrolet Silverado 3500 (2010-2017)
• Chevrolet Silverado 3500 HD (2019)
• GMC Sierra 2500 (2010-2017 & 2019)
• Ram 2500 (2010-2013)
• Ram 3500 (2010-2013)

For those looking to improve traction and performance without compromising on quality, the USA Standard Gear ZGK2117 is a solid choice that combines advanced engineering with practical application.