3.73 Ring and Pinion Gear Set with Locker Installation Kit

The USA Standard Gear ZGK2233 is a comprehensive rear differential upgrade kit designed for GM 12-bolt truck applications. This package includes a 3.73 ratio ring and pinion gear set, a Yukon Dura Grip clutch-style limited-slip positraction unit for enhanced traction, and a master install kit. Key specifications of this kit include an 8.875-inch ring gear diameter, a 3.73 gear ratio, and a 30-spline count for the limited-slip differential. The kit is sold as a complete package and is warranted against manufacturing defects for one year. It is specifically designed for applications with a 12-bolt rear cover and a 12-bolt ring gear. This USA Standard Quick Kit offers a convenient one-stop solution for common differential repairs, providing the necessary components at an affordable price. The inclusion of axle bearings and seals, along with the fully rebuildable positraction unit, ensures durability and performance. This kit is designed to fit various Chevrolet and GMC truck and SUV models from 1965 to 1988, including C10, K10, G10, Blazer, C15, K15, and G15/G1500 series vehicles, covering both 2WD and 4WD applications as specified. Fitment details include 8.875-inch GM 12 Bolt Truck applications with a 3.73 ratio gear set and 30 spline Dura Grip Limited Slip Carrier Case.