USA Standard Gear ZGK2112 Ring Pinion Install Kit for AAM - 11.5 3.73 Rear

The USA Standard Gear ZGK2112 is a comprehensive installation kit designed specifically for 11.5" AAM (American Axle Manufacturing) rear differentials with 3.73 and up gear ratios. This complete kit provides all the essential components needed for a professional ring and pinion installation.

Key Features:

• Complete installation kit for 11.5" AAM rear axles
• Designed for 3.73 and higher gear ratios
• Includes pinion bearing with 4.375" outer diameter
• Contains all necessary bearings, seals, and shims for proper setup
• Quality components meet or exceed OEM specifications
• Ensures proper gear contact pattern and longevity

This kit is commonly used in GM and Dodge trucks equipped with the 11.5" AAM rear differential. USA Standard Gear installation kits include premium components to ensure a reliable rebuild, including pinion bearings, carrier bearings, pinion seal, complete shim kit, pinion nut, crush sleeve or solid spacer (depending on application), gear marking compound, and thread locker. Professional installation by an experienced differential technician is strongly recommended for proper setup and to avoid gear damage.