Yukon Gear High Performance Gear Set For GM 12P in a 3.55 Ratio

If you're looking to change the gear ratio in your GM 12-bolt rear end, this Yukon Gear & Axle high-performance ring and pinion set is a solid option. With a 3.55 ratio, it's designed to optimize performance whether you've added horsepower, upgraded to larger tires, or just want to improve your vehicle's traction. This set fits a wide range of classic GM passenger cars and muscle cars, including models like the Chevrolet Chevelle, Pontiac GTO, and Buick Wildcat.

Yukon engineers focus on quality, using high-grade steel for both the ring and pinion gears. The tooth surface finish is designed to reduce friction and heat, which is important for longevity, especially under high torque conditions. These gears are manufactured to meet OEM specifications for fitment, making installation more straightforward. Yukon also backs these sets with a 1-year warranty against manufacturing defects, and offers an optional Y.E.S. Plan for lifetime coverage.