Xtreme Clutch Steel FlywheelThe Xtreme Clutch Standard Weight Steel Flywheel range is built to deliver dependable performance, durability, and drivability in high stress environments. Designed for a wide range of performance street and motorsport applications, these flywheels are manufactured from high strength steel to offer superior thermal capacity and resistance to distortion under load. These single mass flywheels provide a solid upgrade over factory dual mass or cast