USA Standard Gear ZGK2128: 10.5" GM 14 Bolt 4.88 Rear Ring & Pinion with Install Kit

The USA Standard Gear ZGK2128 is a comprehensive solution for those looking to enhance their differential's performance. This kit includes a 4.88 ratio rear ring and pinion gear set, a master install kit, and a Yukon Dura Grip limited slip positraction unit, all designed to work seamlessly together for optimal performance.

Key Features

• Construction: The ring gear has a diameter of 10.5 inches, ensuring robust performance for heavy-duty applications.
• Material: The Yukon Dura Grip features a high-strength nodular case and forged 4320 chromoly spider gears, providing durability and reliability.
• Clutch System: Composite clutches in the Dura Grip unit offer smooth, aggressive traction, making it suitable for various terrains.
• Rebuildable Design: The Dura Grip unit is fully rebuildable, allowing for extended use and maintenance.
• Install Kit: The master install kit includes high-quality Koyo bearings and all necessary small parts for a complete installation.

Fitment Information

This kit is specifically designed for vehicles with a 14 Bolt rear cover and 12 Bolt ring gear, fitting carrier cases intended for gear ratios of 4.10 and down. Confirmed fitment includes:

• Chevrolet Avalanche 2500 (2002-2006)
• Chevrolet C/K 2500 (1989-2000)
• Chevrolet C/K 3500 (1989-2000)
• Chevrolet Express (1996-2015)
• Chevrolet G20 (1989-1995)
• Chevrolet G30 (1989-1996)
• Chevrolet P30 (1997-1998)
• Chevrolet Silverado 2500 (2001-2010)
• Chevrolet Silverado 3500 (2001-2010)
• Chevrolet Suburban (1989-1991 & 2010)
• GMC C/K 2500 (1989-2000)
• GMC C/K 3500 (1989-2000)
• GMC G3500 (1989-1996)
• GMC R2500 (1989)
• GMC R2500 Suburban (1990-1991)
• GMC Savana (1996-1998 & 2010)
• GMC Sierra (2001-2010)
• GMC V2500 Suburban (1989-1991)
• GMC Yukon XL (2010)

Installation Notes

The quick install kit is designed for ease of use, allowing you to get your vehicle back on the road promptly. With all required components included, this kit simplifies the re-gear process while maintaining high standards of performance.