The SPEC Clutch Lightweight Aluminum Flywheel - SV50A is a high-performance flywheel designed for use in racing and high-performance vehicles. It is made from lightweight aluminum, which reduces rotational mass and allows for faster engine response and acceleration. The flywheel is precision machined to ensure a perfect fit and balance with the vehicle's clutch system. It also features a special surface treatment to increase durability and reduce wear. This flywheel is compatible with the SPEC Clutch Stage 1-5 kits and is an essential component for maximizing the performance of a vehicle's drivetrain.