USA Standard Gear 10718 Master Install Kit for 8.5" GM 3.73 Ratio Ring and Pinion

The USA Standard Gear 10718 is a comprehensive master installation kit designed specifically for 8.5" GM rear differentials with 3.73 gear ratios. This complete kit includes everything needed for a professional ring and pinion installation, including the install kit components, axle bearings, and hardware for differentials with 1.78" case journals.

What's Included:

• Complete ring and pinion installation kit with pinion bearings, races, and shims
• Axle bearings for both sides
• Pinion seal to prevent fluid leaks
• Pinion nut for proper preload setting
• Crush sleeve or solid spacer (application dependent)
• Marking compound for gear pattern verification
• Thread locker for secure fastener installation

Key Features:

• Engineered for 8.5" GM 10-bolt rear axles with 1.78" case journals
• Includes high-quality Koyo or Timken bearings
• All components meet or exceed OEM specifications
• Designed for use with 3.73 ratio ring and pinion sets
• Simplifies the installation process with all necessary components in one package

This master kit eliminates the need to source individual components separately, ensuring compatibility and saving time during differential rebuilds or gear ratio changes. Ideal for professional installers and experienced DIY mechanics working on GM trucks, SUVs, and muscle cars equipped with 8.5" rear differentials.