USA Standard Gear ZGK2232 Master Install Kit for GM Rear Differential - 8.875 12-Bolt

The USA Standard Gear ZGK2232 is a comprehensive master installation kit designed for GM 8.875" 12-bolt rear differentials with 3.42 and up gear ratios. This complete kit includes everything needed for a professional differential rebuild, combining ring and pinion installation components with a positraction unit and axle bearings.

Kit Includes:

• Pinion install shims for proper gear setup and backlash adjustment
• Pinion seal to prevent fluid leaks
• Pinion nut for secure pinion gear mounting
• Crush sleeve or solid spacer (depending on application)
• Complete pinion bearing kit
• Ring gear bolts for secure ring gear attachment
• 30-spline positraction limited slip unit
• Axle bearings for both sides
• Carrier shims
• Thread locker and marking compound

This master kit is ideal for complete differential overhauls on GM 8.875" 12-bolt rear ends, commonly found in GM muscle cars and trucks from the 1960s-1970s including Chevelle, Nova, Camaro, and El Camino models. The 12-bolt design refers to the 12 bolts securing the differential cover. USA Standard Gear kits feature premium bearings and OEM-quality components to ensure proper gear setup and long-lasting performance.

Note: Professional installation recommended. Proper setup requires dial indicator, inch-pound torque wrench, and experience with gear pattern reading.