This GLYCO bearing set, part number 71-3930 with a 0.25mm undersize, is engineered to meet the demanding requirements of modern engines. It provides critical support for the crankshaft, ensuring proper alignment and reducing friction for enhanced efficiency and longevity. Crafted with precision and using advanced materials, these bearings are built to withstand high temperatures and pressures. They are essential for maintaining the integrity of your engine's rotating assembly, contributing to a smoother, quieter, and more powerful driving experience. This set is a direct fit for compatible applications, offering a reliable solution for engine rebuilds or repairs.