Enhance your vehicle's performance with the Excel Ring Pinion and Axle set, designed for a precise fit in various GM models. This 3.42:1 ratio gear set ensures optimal torque and power delivery for an improved driving experience. Superior Performance: The 3.42:1 ratio provides a perfect balance of acceleration and fuel efficiency, making your ride smoother and more responsive. Robust Construction: Crafted for durability, these gears are built to withstand the demands of both daily driving and off-road adventures. Versatile Fitment: Compatible with a range of makes including Chevrolet, GMC, Pontiac, and more from 2010 to 2020, ensuring broad application across multiple vehicles. Complete Set: Sold as a complete set, the Excel gears come with everything you need for installation, minus some additional components. Optimal Compatibility: Designed to work with a 2.73:1 or numerically higher ratio carrier, enhancing your vehicle's capabilities. Upgrade your drivetrain with the Excel Ring Pinion and Axle set (part number GM85342) and enjoy a refined driving experience.