Clutch Masters 850 Series Twin Disc Clutch Kit; 8.50in Race Disc; Aluminum Flywheel Included BMW 335I

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Part #: 03055-TD8R-A
Notes: 850 Series Twin Disc Clutch Kit
8.50in Race Disc
Aluminum Flywheel Included
MSRP: $2,900.00
Your Price: $2,349.00
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This Item Also Available In

Part Number Price Notes & Specs
03055-TD8S-A $2,349.00 Notes 850 Series Twin Disc Clutch Kit
8.50in Race/Street Disc
Aluminum Flywheel Included
03055-TD8R-X $1,397.25 Notes 850 Series Twin Disc Clutch Kit
8.50in Race Disc
Change Over Kit w/o Flywheel
Will Only Work w/ CM Flywheel (FW-055-B-TDA)
03055-TD8S-X $1,397.25 Notes 850 Series Twin Disc Clutch Kit
8.50in Race/Street Disc
Change Over Kit w/o Flywheel
Will Only Work w/ CM Flywheel (FW-055-B-TDA)

All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2008 - 2009 135I ALL L6 3.0 ALL N54B30A ALL US Model; Thru 1/09 Production Date
2007 - 2008 335I ALL L6 3.0 T N54B30A ALL E90; US Model
2008 - 2010 535I ALL L6 3.0 T N54B30A ALL E60; US Model

Product Description

Clutch Masters is proud to introduce the finest and most economical multi-plate clutch systems available for today’s high performance vehicles, the 850 Series. Clutch Masters Twin Disc systems are pure racing technology that also works well in high performance street applications that will be used on the street on rare occasions. They are designed to hold tremendous horsepower and torque ratings, while being reasonable to operate on the track.

By increasing the clamping force of the pressure plate and adding to the square inches of usable disc area, CM Twin Discs significantly increase clamping values with an average of 50% increase in pedal pressure depending on the application. The cover assembly is machined from billet aluminum with 25% more tensile strength than the competition’s cast unit.

The flywheel is machined from billet 6061-T6 aluminum to meet SFI spec 1.2 for competition in NHRA, NDRA, IDRC, IHRA, SCCA and NASA. Each aluminum flywheel includes a replaceable heat shield. Steel flywheels are also available on select applications.

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, call for price)
  • Release Bearing
  • Pilot Bearing (when applicable)
  • Pressure Plate Bolts

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