This GLYCO 71-4194/4 STD main bearing is engineered to meet stringent automotive standards, providing essential support for your engine's crankshaft. Crafted with precision, it ensures optimal lubrication and reduced friction, contributing to the longevity and efficiency of your engine. The STD designation indicates a standard size, ensuring a precise fit for compatible applications. Choosing GLYCO means opting for a part built to withstand the demanding conditions within an engine. This main bearing is a critical component for maintaining engine integrity and performance over time.