Ensure your engine runs smoothly with Clevite Engine Parts Main Bearings, designed for reliable performance in Chevrolet, GMC, and Cadillac models from 2014 to 2020. Direct Replacement: These main bearings are engineered as a direct replacement, ensuring a perfect fit and seamless installation. Durable Material: Made from AL-5 bearing material, they offer superior wear resistance and longevity, extending engine life. Optimized Design: The grooved upper bearing design enhances oil flow, ensuring efficient lubrication and reducing friction. Precision Fit: With a stock thrust bearing oversize and a crankshaft undersize of 0.010 inches, these bearings maintain precision tolerances for optimal engine performance. Complete Set: Sold as a set of five, you'll have all the bearings needed for a full replacement, saving you time and hassle. For Chevrolet, GMC, and Cadillac owners looking to replace main bearings in models from 2014-2020, Clevite's MS2339A10 delivers quality and reliability.