USA Standard Gear 10682 8.875" GM 12-Bolt 3.73 Rear Ring & Pinion with Install Kit, Axle Bearings & Seals

The USA Standard Gear 10682 is a complete ring and pinion gear set combo package for the 8.875" GM 12-Bolt rear axle, featuring a 3.73 gear ratio. This kit bundles everything needed for a full differential gear swap, including the ring and pinion set, installation kit, and axle bearings and seals — minimizing trips to the parts counter and ensuring all components are matched for proper installation.

The 8.875" GM 12-Bolt is one of the most popular and durable rear axle assemblies ever produced, found in a wide range of GM cars and trucks. USA Standard Gear manufactures their ring and pinion sets to meet or exceed OEM specifications, using high-quality steel and precision machining for reliable power transfer and long service life.

Kit Contents:

• 3.73 ratio ring and pinion gear set for 8.875" GM 12-Bolt axle
• Installation kit (carrier bearings, races, pinion bearings, shims, crush sleeve, and marking compound)
• Axle bearings
• Axle seals

Key Features:

• Gear Ratio: 3.73
• Axle Family: 8.875" GM 12-Bolt rear
• Ring Gear Diameter: 8.875 inches
• Ring Bolt Count: 12
• Precision-cut gear teeth for smooth, quiet operation
• Heat-treated alloy steel construction for strength and durability
• All components matched and sourced from a single manufacturer for consistent quality

USA Standard Gear (part of Yukon Gear & Axle) is a trusted name in the drivetrain industry, offering professional-grade axle components for street, tow, and performance applications. The ZGK2227 installation kit and matching axle bearings and seals included in this combo ensure a complete, professional installation right out of the box.