Yukon Gear and Axle YG GM12T-411T 4.11 Ring and Pinion Kit for GM 12-Bolt 8.875-Inch Differential

Upgrade the performance and gearing of your GM 12-bolt differential with the Yukon Gear and Axle YG GM12T-411T ring and pinion kit. Designed for 8.875-inch differentials, this high-performance gear set features a 4.11:1 ratio to help provide responsive acceleration and dependable power transfer for performance, off-road, and custom drivetrain applications.
The thick-gear design is engineered for applications requiring additional gear thickness, while the 30-spline pinion supports compatibility with the specified GM 12-bolt differential configuration. Yukon Gear and Axle manufactures this ring and pinion set to deliver precise gear engagement, reliable operation, and long-term durability when properly installed and set up.
This kit is a practical choice for restoring or upgrading a GM 12-bolt rear axle where a 4.11 gear ratio and thick ring gear are required. Professional installation is recommended, including careful verification of gear mesh, backlash, bearing preload, and contact pattern to help ensure quiet operation and maximize service life. Confirm axle specifications and spline compatibility before ordering.

Features:

• Brand: Yukon Gear and Axle

• Part Number: YG GM12T-411T

• Application: GM 12-bolt differential

• Differential Size: 8.875-inch

• Gear Ratio: 4.11:1

• Pinion Spline Count: 30 spline

• Gear Design: Thick ring gear

• Product Type: High-performance ring and pinion kit