Rear Axle Kit, 30 Spline, 5x4.75" Bolt Pattern

The Zumbrota Drivetrain ZA K630116 is a rear axle kit specifically engineered for GM 8.5-inch differentials, offering a crucial upgrade for drivetrain components. This kit is designed to provide a precise fit with its 30-spline count and a 5 x 4.75-inch bolt pattern, ensuring compatibility with a range of GM applications. The axle itself measures 30.4375 inches in length and features a 2.25-inch outer diameter wheel bearing for reliable performance. Included with the ZA K630116 kit are all the necessary components for a comprehensive installation and upgrade. You will receive a new wheel bearing, a vital seal to prevent lubricant leakage, a differential cover gasket for a secure seal, studs for mounting, and lug nuts to fasten the wheel. This all-in-one package simplifies the replacement process and ensures that you have the essential parts needed for a successful repair or enhancement. This rear axle kit is a product of USA Standard Gear, a brand known for its commitment to quality and durability in drivetrain components. The kit is identified by the Zumbrota Drivetrain part number ZA K630116 and proxy number 11932. With 25 units currently in stock, it is readily available for dispatch, with options for expedited shipping to meet urgent needs.