Clutch Masters 725 Series Race Twin Disc Clutch Kit 18-21 WRX | High Clamping Force | Twin Disc Clutch Kit
Overview
The Clutch Masters 725 Series Race Twin Disc Clutch Kit is engineered specifically for the 2018-2021 Subaru WRX, delivering exceptional clamping force and durability for high horsepower and torque applications. Designed primarily for drag racing and aggressive track use, this 7.25" twin disc clutch system offers a significant upgrade over stock clutches, ensuring your engine’s power is efficiently transferred to the drivetrain with minimal slippage. It is ideal for enthusiasts seeking a race-ready clutch that can also tolerate occasional street driving.
Built with decades of drag racing expertise, the FX725 clutch kit features a billet aluminum cover assembly that is Type 3 hard anodized for superior strength and minimal flex. This design reduces wasted pedal movement and improves clutch engagement consistency. The kit also incorporates Clutch Masters’ unique Quick Release (QR) System, which uses spring-loaded bolts to evenly distribute pressure, reducing clutch chatter and noise by up to 50%. This combination of advanced materials and engineering makes the FX725 stand out as a durable, high-performance solution for Subaru WRX owners pushing their cars to the limit.
For Subaru enthusiasts, this clutch kit offers a balance of race-level performance and manageable pedal effort, making it suitable for serious track days and drag events while maintaining enough drivability for street use. The inclusion of billet aluminum or steel flywheels tailored to the application further enhances the system’s responsiveness and reliability, ensuring your WRX’s power delivery is both aggressive and precise.
Features & Specifications
This Clutch Masters 725 Series Race Twin Disc Clutch Kit is engineered for 2018-2021 Subaru WRX models and features a 7.25" twin disc design with a billet aluminum cover for enhanced strength and reduced flex. Constructed from high-grade billet aluminum and steel, it delivers superior clamping force and durability for Subaru enthusiasts seeking race-ready performance with occasional street usability.
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Brand: Clutch Masters
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Product: 725 Series Race Twin Disc Clutch Kit
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Part Number: 15020-TD7R-X
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Fitment: 2018-2021 Subaru WRX
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Material: Billet Aluminum Cover, Ceramic and Fiber Discs, Steel or Aluminum Flywheel
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Finish: Type 3 Hard Anodized (Cover and Aluminum Flywheel), Black Oxide (Steel Flywheel)
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Construction: CNC Machined Billet Cover, Precision Machined Flywheels
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Origin: Not Specified
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Clutch Disc Configuration: Twin Disc (1 Ceramic Rigid + 1 Fiber Tuff Rigid for Street and Race, or 2 Ceramic Rigid for Race)
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Flywheel Options: Aluminum (SFI 1.2 Certified) or Steel
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Quick Release System: Spring-loaded bolts for smooth engagement and reduced noise
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Clutch Diameter: 7.25" (184mm)
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Application Focus: Drag Racing and High-Performance Track Use
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Tuning Required: Recommended for optimal performance
Key Benefits
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Performance: Handles extreme horsepower and torque loads with superior clamping force for consistent power transfer.
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Durability: Billet aluminum cover with 25% more tensile strength reduces flex and extends clutch life under race conditions.
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Engagement: Quick Release System ensures smooth, even clutch engagement while reducing noise and chatter by up to 50%.
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Fitment: Designed specifically for 2018-2021 WRX with smaller bell housings common in drag racing setups.
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Driveability: Improved friction materials allow occasional street use without sacrificing race-level performance.
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Quality: Precision-machined flywheels meet SFI specs for competition, ensuring reliability and safety.
What's Included
- 1× Clutch Masters 725 Series Twin Disc Clutch Assembly
- 1× Billet Aluminum or Steel Flywheel (depending on selected option)
- Mounting hardware for clutch and flywheel installation
- Installation instructions
Installation & Compatibility
Installation of the Clutch Masters 725 Series Race Twin Disc Clutch Kit requires moderate to advanced mechanical skills and is best performed by a professional familiar with Subaru drivetrains. Special tools such as a clutch alignment tool and torque wrench are necessary. This kit is designed for direct fitment on 2018-2021 Subaru WRX models with smaller bell housings typical of drag racing setups. Tuning is recommended after installation to optimize clutch engagement and drivetrain performance. Occasional street use is possible, but this clutch is primarily intended for track and drag applications.
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Professional Installation: Recommended
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Modifications Required: None beyond standard clutch replacement procedures
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Verify Compatibility: Confirm fitment for your specific WRX year and transmission type
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