• Clutch Masters FX850 Race/Street Twin Disc Clutch Kit | 2004-2019 Subaru STI (15017-TD8S-SW)
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Clutch Masters FX850 Race/Street Twin Disc Clutch Kit | 2004-2019 Subaru STI (15017-TD8S-SW)

Clutch Masters FX850 Race/Street Twin Disc Clutch Kit | 2004-2019 Subaru STI (15017-TD8S-SW)

15017-TD8S-SW

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$2,426.47 USD
$2,750.00 USD $2,426.47 USD
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The Clutch Masters FX850 Race/Street Twin Disc Clutch Kit is a high-performance clutch designed for the Subaru WRX STI model years 2004 through 2019. This kit features the 850 series, which utilizes a larger diameter assembly to accommodate high horsepower applications. It offers increased holding capacity, reduced clutch chatter, and smoother engagement compared to the 725 series. The twin disc setup includes one sprung disc, providing a slightly smoother engagement ideal for both racing and street use. Constructed with durable materials, this clutch kit delivers reliable performance under demanding conditions, making it suitable for high-performance driving scenarios.

Designed specifically for 2004-2019 Subaru STI models, this clutch kit is a direct replacement for stock components, ensuring compatibility and ease of installation. It is intended for high-performance street and racing applications where increased torque capacity and durability are required. The kit includes all necessary components for installation, providing a comprehensive upgrade for enthusiasts seeking improved clutch performance. Suitable for high horsepower builds, this clutch enhances driving experience by offering a combination of race-ready performance and streetability.

Overview

04-19 STI 850 Race/Street Twin Disc Clutch Kit by Clutch Masters

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

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. Steel flywheel included.

Features

  • Aluminum Cover Assembly w/ Attached Diaphragm
  • 1 Sprung Ceramic Disc and 1 Fiber Tuff Rigid Disc
  • Components can be purchased separately for economical repair
  • Positive release for ease of high RPM staging and shifting
  • Pure racing technology that also works well in high performance street applications that will be used on the street on rare occasions

Most have experienced better 4/10's times and averaged hundreds of passes without complications or repair

Applications

  • 2004 - 2019 Subaru STI

What's In The Box?

  • 1 - Aluminum Cover Assembly
  • 1 - Pressure Plate Ring
  • 1 - Sprung Ceramic Disc
  • 1 - Fiber Tuff Rigid Disc
  • 1 - Mid Plate
  • 1 - Steel Flywheel
  • Applicable Bearings
  • Pressure Plate Bolts

Warranty

  • Manufacturer Standard Warranty
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