Clutch Masters MC15017-BK 0.75in Bore Master Cylinder Upgrade Kit 02-21 Subaru

Vehicle Fitment

• 2002-2005 Subaru WRX 2.0T 5-Speed
• 2006-2014 Subaru WRX 2.5T 6-Speed
• 2004-2014 Subaru WRX STI 2.5T 6-Speed

Fitment Notes

• Not compatible with 2015-2021 Subaru WRX/STi models; use MC15020-BK for those years.
• Designed for manual transmission models only; not suitable for CVT or automatic transmissions.

Features

• 0.75-inch bore size for improved clutch pedal feel and responsiveness.
• Eliminates factory clutch delay valve for quicker clutch engagement and reduced pedal travel.
• Billet aluminum construction for lightweight durability and corrosion resistance.
• Includes all necessary components for a complete installation: master cylinder, stainless steel line, fittings, adapter, reservoir cap, clevis, and hardware.
• Compatible with OEM slave cylinders and clutch systems.
• Designed to enhance driving experience in both street and track applications.
• Precision-engineered for a direct, plug-and-play installation with no modifications required.
• Available in multiple colors to match or accent your vehicle's aesthetic.

Specifications

• Bore Size: 0.75 inches
• Material: Billet Aluminum
• Finish: Black (also available in Red and Violet)
• Compatibility: 2002-2021 Subaru WRX/STi 5-Speed and 6-Speed manual transmissions
• Installation: Direct replacement for factory master cylinder; no modifications required
• Included Components: 1x Master Cylinder, 1x Stainless Steel Line, 1x Adapter, 1x Reservoir Cap, 1x Clevis, 1x Hardware Kit

Included Components

• 1x Clutch Masters MC15017-BK Master Cylinder
• 1x Stainless Steel Line (.750" Bore)
• 1x Billet Aluminum Master Cylinder Adapter
• 1x Billet Aluminum Reservoir Cap
• 1x Billet Aluminum Clevis
• 1x Hardware Kit (Fittings and Mounting Hardware)

Product Description

The Clutch Masters MC15017-BK Master Cylinder Upgrade Kit is engineered to enhance the clutch engagement experience in 2002-2021 Subaru WRX and STI models equipped with 5-speed or 6-speed manual transmissions. Featuring a 0.75-inch bore size, this master cylinder offers improved pedal feel and responsiveness, making it ideal for both daily driving and performance applications.

One of the standout features of this upgrade is the elimination of the factory-installed clutch delay valve. This modification allows for quicker clutch engagement, reduced pedal travel, and more precise control during gear shifts - particularly beneficial in high-performance or track scenarios.

Constructed from billet aluminum, the MC15017-BK is lightweight yet durable, ensuring long-lasting performance. The kit includes all necessary components for a straightforward installation, including a stainless steel line, adapter, reservoir cap, clevis, and all required hardware. It's designed to be a direct replacement for the OEM master cylinder, requiring no modifications to your vehicle.

Whether you're looking to improve your vehicle's daily drivability or seeking enhanced performance on the track, the Clutch Masters MC15017-BK Master Cylinder Upgrade Kit provides a reliable and effective solution.