King Engine Bearings Main Bearings MB5070AM1.5 are high-quality engine bearings designed for use in various types of engines. These bearings are made from durable materials and are precision-machined to ensure optimal performance and longevity. They are designed to provide maximum load-carrying capacity and reduce friction and wear in the engine. These main bearings are compatible with a 1.5mm undersize crankshaft and are suitable for use in a wide range of applications, including high-performance and racing engines. With superior construction and advanced technology, King Engine Bearings Main Bearings MB5070AM1.5 are a reliable choice for engine builders and enthusiasts alike.