Maxx Extreme Pressure Plate Clamps load increase of 70% to 150%, Pedal feels stiff to very stiff, many SFI Certified to insure safety. Fits all 90-01 Acura Integra and 99-00 Honda Civic SI models. Below you can find information on the different type of clutch discs you can choose with this kit and the torque rating they can handle: 4 Puck Sprung Hub: Recommended for road racing Increased torque capacity and spline life Quiet operation, reduced driveline shock Harsh Engagement, chatter Torque Rating: 487 FT LBS 6 Puck Sprung Hub: Recommended for road racing and high power street use Increased torque capacity and spline life Quiet operation, reduced driveline shock Harsh engagement, chatter Torque Rating: 487 FT LBS 4 Puck Unsprung Hub: Recommended for drag and road racing use Increased torque capacity Fastest shifts, low inertia Good durability, but shortened spline life Harsh engagement, chatter Torque Rating: 487 FT LBS 6 Puck Unsprung Hub: Increased torque capacity Faster shifts, reduced inertia Very good durability, but shortened spline life Absorbs more heat then 4 puck pad Harsh engagement, chatter Torque Rating: 487 FT LBS