Ceramic System, 170% over stock holding capacity Ultra Heavy Duty Street and/or Racing. The FX400 System uses the Power Plus I Pressure Plate with a Ceramic disc. This s the ultimate, extreme-duty street, or road/drag racing system. It is built using a special 4-wing Ceramic Button design disc for long life, outstanding holding capacity and high heat dissipation. SFI Approved for most race applications. *Warning:* The Ceramic disc engages very quickly and may chatter slightly upon starting from a stop. *Features* * Ultra heavy-duty street &racing system * Holding capacity 170% over stock * Heavy-Duty reinforced pressure plate * Hi-Leverage pressure ring design * Sprung hub/4-button * Ceramic friction material * SFI Approved on most race applications. *Includes* * Pressure Plate * Clutch Disc * Throw-out Bearing (when applicable) * Pilot Bearing or Bushing (when applicable) * Alignment Tool PartNumber : cm20303-HDB6-R Description : FX400 Clutch Kit; Heavy Duty Pressure Plate; 6-Puck Rigid Ceramic Disc; Rigid Disc 2004-2008 Porsche 911 Carrera H6.3596cc Drivetrain::Clutch Kits - Single 2004 Porsche 911 Carrera 4 H6.3596cc Drivetrain::Clutch Kits - Single 2006-2008 Porsche 911 Carrera 4 H6.3596cc Drivetrain::Clutch Kits - Single