Clutch Masters FX400 Clutch Kit: 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. Notes: FX400 Clutch Kit; Heavy Duty Pressure Plate; 6-Puck Ceramic Spring Disc CAN ONLY BE USED IN CONJUNCTION WITH CLUTCH MASTER FLYWHEEL