The SPEC Clutch Lightweight Steel Flywheel - SV50S is a high-performance flywheel designed for use in racing and high-performance vehicles. It is made from lightweight steel, which reduces rotational mass and allows for faster acceleration and improved throttle response. The flywheel is precision-balanced for smooth operation and features a replaceable friction surface for extended durability. It is compatible with a variety of clutch systems and is designed to withstand high RPM and torque. This flywheel is ideal for drivers looking to improve the performance and drivability of their vehicle.