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Clutch Masters 850 Series Twin Disc Steel Flywheel | 2004-2019 Subaru STI (FW-721-B-TDS)

Clutch Masters 850 Series Twin Disc Steel Flywheel | 2004-2019 Subaru STI (FW-721-B-TDS)

SKU:FW-721-B-TDS

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Regular price $606.62 USD
Regular price $687.50 USD Sale price $606.62 USD
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The Clutch Masters 850 Series Twin Disc Steel Flywheel for 2004-2019 Subaru STI is a high-performance component designed to enhance drivetrain response and durability. Crafted from high-quality materials such as 6061 T6 billet aluminum, 1045, or 4140 billet steel, this flywheel undergoes rigorous testing to ensure safety and reliability. Its primary function is to provide a stable, lightweight, and robust platform for the clutch system, resulting in improved power transfer, quicker throttle response, and increased overall performance. The twin disc design offers superior torque capacity and smoother engagement, making it ideal for spirited driving and track use. Clutch Masters' engineering focus on material selection and manufacturing precision ensures a product that surpasses standard OEM quality and durability expectations.

This steel flywheel is specifically engineered for Subaru STI models from 2004 to 2019, fitting vehicles equipped with the appropriate engine and chassis configurations. It serves as a direct replacement or upgrade for stock flywheels, providing enhanced performance for street, track, or aggressive driving applications. Installation is straightforward for qualified technicians familiar with clutch and flywheel setups. The kit includes the steel flywheel itself, designed to bolt directly onto the existing drivetrain components. Suitable for enthusiasts seeking increased torque capacity and improved throttle response, this flywheel is an excellent upgrade for high-performance Subaru STI builds.

Overview

04-19 STI Steel Flywheel for 850 Twin Disc by Clutch Masters

Clutch Masters Flywheels are designed and tested to ensure the safety and quality of every flywheel. Years of R&D has given us the knowledge and firsthand experience to choose wisely the best material to manufacture flywheels that will surpass your expectations.

Depending on the application, the majority of Clutch Masters flywheels are made from 6061 T6 Billet Aluminum, 1045 or 4140 Billet Steel. Clutch Masters Flywheels are SFI Certified meeting performance standards for the automotive and motorsport industry.

Please Note: For Clutch Masters Twin Disc setups only.

Features

  • Light-weight for improved performance and Quicker Rev’s.
  • Reduces turbo “lag” in turbo-charged engines.
  • Increased supercharger efficiency due to less drag on the crank.
  • Improved mid-range torque in naturally aspirated engines.
  • CNC Machined and balanced.
  • SFI Certified.

Please Note: Lightweight Steel flywheel for 8.50 in Twin Disc. Replacing your OEM flywheel with a light weight flywheel may cause gear noise or a vibration that may not be suitable for everyone. The lighter the flywheel the more gear noise will be produced. Depending on the application Clutch Masters usually recommends Steel flywheels rather than Aluminum flywheels since Aluminum flywheels will cause more gear noise.

Applications

  • 2004 - 2019 Subaru STI

What's In The Box?

  • 1 - 850 Series Steel Flywheel

Warranty

  • Manufacturer Standard Warranty
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