The Clutch Masters Single Mass Flywheel (CM-FW060SF) is a high-performance flywheel designed for use in manual transmission vehicles. It is made from lightweight and durable materials to improve engine response and reduce rotational mass. The flywheel is engineered to provide smoother and faster gear shifts, as well as increased power transfer to the wheels. It is compatible with a variety of clutch systems and is an ideal choice for high-performance and racing applications.