USA Standard Ring & Pinion Thick Gear Set For GM 12 Bolt Car in a 4.11 Ratio

This Yukon Gear & Axle ring and pinion set includes the ring gear and pinion gear, designed for GM 12-bolt car differentials. It's a "thick" gear set, specifically intended for use with carriers designed for 3.90 ratio gears and numerically lower. This set gives you a 4.11 ratio, which means the engine will turn more revolutions for every rotation of the wheels, providing improved acceleration.

USA Standard Gear ring and pinion sets are built to be better than what came from the factory. Each set goes through strict quality checks in-house to make sure they meet all the required dimensions, material standards, and fitment requirements. This attention to detail ensures you're getting a well-built part that's ready to perform.

This set fits a wide range of classic GM vehicles, including models like the Chevrolet Chevelle, Impala, and Pontiac Firebird. It's a solid option if you're looking to change your vehicle's final drive ratio for better performance off the line.