Audi S4 2005-2009 4.2L B7 ( From 07-05 To 12-08) 8Cyl
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

Available Stages:
“Street and Race” (TD8S)  – 1 sprung ceramic disc, and 1 fiber tuff rigid disc
“Race” (TD8R) – 1 sprung ceramic disc, and 1 ceramic rigid disc.

Clutch Masters offers custom option when required by utilizing a variety of friction surfaces, discs and pressure ratings to satisfy any need!

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)
• Release Bearing
• Pilot Bearing (when applicable)
• Pressure Plate Bolts

Average weight of the entire assembly is over 50% lighter than OEM