The FX250 System uses the Power Plus I Pressure Plate and a hybrid combination of Clutch Masters New Formula Button on one side and a heavy-duty Steel Back Organic friction lining on the other. This clutch is designed for the street enthusiast or weekend racer who plans to abuse their vehicle on an occasional basis and have a spirited driving style. The FX250 clutch system has a higher holding capacity than a traditional full faced Kevlar without compromising the street friendly characteristics Clutch Masters is known for PartNumber : cm20971-HD0F-R Description : FX250 Clutch Kit; Heavy Duty Pressure Plate; Sprung Hub Variable Friction Organic/Fiber Tough Disc; Rigid Disc 2009-2010 Porsche Boxster S H6.3387cc Drivetrain::Clutch Kits - Single 2011-2012 Porsche Boxster S H6.3436cc Drivetrain::Clutch Kits - Single 2012 Porsche Boxster S Black Edition H6.3436cc Drivetrain::Clutch Kits - Single 2009 Porsche Boxster S Porsche Design 2 H6.3387cc Drivetrain::Clutch Kits - Single 2009-2010 Porsche Cayman S H6.3387cc Drivetrain::Clutch Kits - Single 2011-2012 Porsche Cayman S H6.3436cc Drivetrain::Clutch Kits - Single