850 SERIES ? (8.50? Twin Disc) The 850 series is a larger diameter assembly, which is designed for high horsepower applications. The 850 Series has a higher holding capacity, less clutch chatter, and a smoother engagement compared to the 725 Series. The 850 series Twin disc will accept one sprung disc creating a slightly smoother engagement compared to two rigid discs ?Race? (TD8R) ? 1 sprung ceramic disc, and 1 ceramic rigid disc. Clutch Masters Twin Disc features: Components can be purchased separately for economical repair. Positive release for ease of high RPM staging and shifting. Most have experienced better 4/10's times and averaged hundreds of passes without complications or repair All systems include: Aluminum Cover Assembly with attached Diaphragm Pressure Plate Ring Two Discs One Mid Plate Billet Aluminum Flywheel (Steel available on select applications, call for price) Release Bearing Pilot Bearing (when applicable) Pressure Plate Bolts Average weight of the entire assembly is over 50% lighter than OEM Fits 2010-2014 2.0T Genesis Coupe