Types of Driving: Street, Drag, Pulling, Autocross Features a full-metallic disc with the highest possible friction co-efficient. Street drivable but not street-friendly. The hub is solid 12-rivet and the assembly is heat treated for strength and durability. Best for extreme street and drag racing. 1. High clamp pressure plate 2. Full-metallic friction material 3. High torque solid hub and disc assembly 4. Bearing and tool kit