Subaru WRX Clutch Master Cylinder – Clutch Masters .75in Bore Master Cylinder Upgrade Kit – Red (2015–2027). A purpose-built hydraulic upgrade to sharpen clutch control and refine pedal feel on your WRX.

With a 0.75-inch bore, this master cylinder increases hydraulic capacity for more consistent engagement, especially when paired with performance clutch setups. Expect a firmer, predictable pedal that improves modulation during launches and quick shifts. The red finish offers a clean, motorsport-inspired look while resisting corrosion. Engineered for WRX applications, the kit focuses on reliability and repeatable performance. Professional installation and thorough system bleeding are recommended.

Features

• 0.75 in bore for improved consistency and control
• Designed for 2015–2027 Subaru WRX applications
• Supports higher clamp-load performance clutches
• Durable construction with red finish
• Refined engagement for street and track use

Have questions about fitment or setup? Call our team at 512-982-9393 (TX) or 562-981-6800 (CA). We have locations in Austin, Texas and the Los Angeles, California area where we offer installation and customization services.

Considering multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov