For heavily modified engines or engines of any modification level where an instantaneous engagement and light weight are beneficial. Features a full-metallic disc with the highest possible friction co-efficient. Street driveable 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.. This clutch kit is designed to hold up to 740 ft/lbs or torque. This is a complete kit including high clamp pressure plate, throw out bearing, and clutch alignment tool.