NPC BA/BF Turbo Super Heavy Duty Organic Clutch & Flywheel Package (firm pedal feel)Super Heavy Duty kits are a unique heavy duty organic clutch kit coupled with a dedicated billet steel flywheel which must be fitted as a set. Designed to provide smooth engagement and excellent drivability. Type: Super Heavy Duty Clutch Plate Dimension: 275X26. 1X23T Dual Mass Flywheel: n a Solid Flywheel: Included Concentric Slave Cylinder: Included Maximum Measured Dyno Figures at the Wheels: Spigot: Included Aligning Tool: Included More info: