Clutch Masters FX250 Single Disc Clutch Kit 18-21 WRX | Increased Holding Capacity | Performance Clutch Kit
Overview
The Clutch Masters FX250 Single Disc Clutch Kit is engineered to deliver a significant upgrade in holding capacity and shift precision for the 2018-2021 Subaru WRX. Designed for enthusiasts who demand a street-friendly clutch that can handle spirited driving and occasional track use, this kit balances performance and drivability without compromising daily usability. It is ideal for drivers seeking a reliable clutch upgrade that improves pedal feel and reduces rotating mass while maintaining compatibility with factory hydraulics.
Built around a billet aluminum clutch cover, the FX250 kit incorporates decades of Clutch Masters’ experience refining twin disc systems into a single disc platform. The design focuses on enhancing clamping force through a heavier diaphragm spring and a modified pivot point, resulting in a pedal feel that is only slightly heavier than stock but offers much greater holding power. This approach ensures faster, more precise shifts and a consistent engagement suitable for both street and occasional track conditions.
For Subaru WRX owners, this clutch kit offers a tangible performance improvement that supports aggressive driving styles without sacrificing smooth operation. The hybrid disc construction, combining Fiber Tough friction material on the pressure plate side and steel-backed organic material on the flywheel side, provides durability and excellent engagement characteristics. This configuration is well-suited for daily drivers and weekend racers who want enhanced clutch performance without the complexity or cost of a twin disc setup.
Features & Specifications
This Clutch Masters FX250 Single Disc Clutch Kit is engineered for the 2018-2021 Subaru WRX and features a heavy-duty hybrid disc with Fiber Tough and steel-backed organic friction materials. Constructed with a billet aluminum cover and designed to fit OE-style flywheels, it delivers increased clamping force and lighter rotating mass for enthusiasts seeking improved shift feel and durability.
-
Brand: Clutch Masters
-
Product: FX250 Single Disc Clutch Kit 18-21 WRX
-
Part Number: 15915-HD0F
-
Fitment: 2018-2021 Subaru WRX
-
Material: Billet Aluminum Cover, Fiber Tough & Steel-Backed Organic Friction Disc
-
Finish: Natural Billet Aluminum
-
Construction: CNC Machined Cover, Hybrid Friction Disc
-
Origin: Not Specified
-
Power Gains: 110% Increased Holding Capacity over stock
-
Tuning Required: No
Key Benefits
-
Performance: Provides 110% increased holding capacity for aggressive street and occasional track use.
-
Durability: Hybrid disc materials extend clutch life while maintaining smooth engagement.
-
Fitment: Direct fit for OE-style single disc flywheels on 2018-2021 WRX models.
-
Pedal Feel: Modified pivot point and heavier diaphragm spring offer consistent, slightly firmer pedal feel without fatigue.
-
Weight Savings: 10% lighter than OE stamped steel cover reduces rotating mass for improved throttle response.
-
Compatibility: Works with factory hydraulic systems and recommended upgrades for optimal performance.
What's Included
- 1× Clutch Masters FX250 Single Disc Clutch Kit
- Heavy-Duty Power Plus I Pressure Plate
- Hybrid Friction Disc with Fiber Tough and Steel-Backed Organic Materials
- New Throw Out Bearing designed for short throw clutch
- Marcel Spring Wafer
- Pilot Bearing (if applicable)
- Alignment Tool
- Instruction Card
- Decals
Installation & Compatibility
Installation of the Clutch Masters FX250 Single Disc Clutch Kit is moderately complex and generally recommended for those with mechanical experience or professional installation. The kit fits directly onto stock single disc flywheels or compatible aftermarket OE-style flywheels, requiring no major modifications. It works with factory hydraulic systems, though Clutch Masters recommends upgrading to their internal hydraulic release bearing and master cylinder for best results. No tuning is required for this clutch upgrade, but proper break-in procedures should be followed to maximize clutch life.
-
Professional Installation: Recommended
-
Modifications Required: None
-
Verify Compatibility: Confirm fitment for your specific WRX model year and transmission
Shop with confidence at Subimods—your Subaru parts specialists.
