1963-1982 GM 8.875" 12 Bolt Truck - Ring and Pinion Gear Set

GM 8.875" 12 Bolt Truck Ring and Pinion Set   Description Package Includes: (1) Ring and Pinion Gear Set (Choose Ratio Above) - *Note: 1963-1964 12 Bolt Truck applications require a 30 spline yoke. - *Note: The GM 8.875" 12 Bolt Truck differential has carrier breaks at 2.73 / 2.76-3.42 / 3.73. That means if you have 3.42 gears from the factory, and would like to run a 4.56 ratio, you will need to buy a thick gear, or a new carrier. Contact support if you need help figuring out what carrier you have. - Rigid Axle's aftermarket ring and pinion gear sets are made from heat treated 8620 steel. Our aftermarket gear set is made using a five-cut, face milled manufacturing process. Once set up correctly, this will give a square contact pattern on the drive and coast side of each tooth. We are proud of our ring and pinion lines, and you will be too! - Remember to properly break in your new gear set! Click here for instructions! - Rigid Axle is proud to offer our customers a full li