USA Standard Gear 10743 Ring and Pinion Gear Set with Install Kit for 8.6" GM 3.73 Ratio

The USA Standard Gear 10743 is a complete drivetrain upgrade package designed for GM 8.6" rear differentials with a 3.73 gear ratio. This comprehensive kit includes a matched ring and pinion gear set, installation components, axle bearings, and seals—everything needed for a professional-quality gear installation.

Key Features:

• Precision-matched ring and pinion gear set engineered for GM 8.6" rear axle assemblies
• 3.73:1 gear ratio provides excellent balance of acceleration and fuel economy
• Complete installation kit includes pinion bearings, carrier bearings, and shims
• Axle bearings and seals included for complete axle service
• Manufactured to OE specifications for precise fitment and quiet operation
• Heat-treated gears for maximum strength and durability

This master kit (ZGK2032) is ideal for rebuilds, gear ratio changes, or replacing worn components. The GM 8.6" rear differential is commonly found in 2007-2013 GM trucks and SUVs including Silverado, Sierra, Tahoe, Yukon, and Suburban models. USA Standard Gear products are precision-manufactured to ensure proper gear contact patterns and long service life.