The SPEC Clutch Aluminum Flywheels SB53A-3 is a high-performance replacement flywheel for manual transmission vehicles. It is made from lightweight aluminum for improved engine response and faster revving. The flywheel is designed to reduce rotational mass, resulting in quicker acceleration and improved throttle response. It is compatible with a variety of aftermarket clutch kits and is a direct bolt-on replacement for the stock flywheel. The SB53A-3 is precision balanced and features a replaceable steel friction surface for long-lasting durability. It is an ideal choice for enthusiasts seeking improved performance and drivability from their vehicle.