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 : cm15017-HDC6 Description : FX400 Clutch Kit; Heavy Duty Pressure Plate; 6-Puck Ceramic Spring Disc 2004-2014 Subaru Impreza WRX STI H4.2458cc Drivetrain::Clutch Kits - Single 2007 Subaru Impreza WRX STI Limited H4.2458cc Drivetrain::Clutch Kits - Single 2011-2014 Subaru Impreza WRX STI Limited H4.2458cc Drivetrain::Clutch Kits - Single 2010 Subaru Impreza WRX STI Special Edition H4.2458cc Drivetrain::Clutch Kits - Single 2007-2009 Subaru Legacy GT spec.B H4.2458cc Drivetrain::Clutch Kits - Single 2015-2017 Subaru WRX STI Base H4.2458cc Drivetrain::Clutch Kits - Single 2015 Subaru WRX STI Launch Edition H4.2458cc Drivetrain::Clutch Kits - Single 2015-2017 Subaru WRX STI Limited H4.2458cc Drivetrain::Clutch Kits - Single 2016 Subaru WRX STI Series.HyperBlue H4.2458cc Drivetrain::Clutch Kits - Single