Clutch Masters Clutch Kit

Fitment: 2004-2019 Subaru STI

Part #: 15017-HDFF

Overview

The Clutch Masters FX350 HD Street/Race Clutch Kit is engineered to deliver reliable performance for Subaru STI owners who demand durability and responsiveness. Designed for spirited driving and occasional racing, this clutch kit combines street-friendly characteristics with increased holding capacity, making it ideal for enthusiasts who push their vehicles beyond standard limits. Whether you're daily driving or engaging in weekend track days, this clutch helps support your vehicle’s power transfer with confidence and consistency, ensuring smooth engagement and long-lasting performance.

Key Features

This clutch kit features high-quality materials and a thoughtful design aimed at enhancing your driving experience:

• Power Plus I Pressure Plate for increased clamping force
• New Formula Button disc for improved durability and heat resistance
• Higher holding capacity without sacrificing street drivability
• Engineered for abuse and spirited driving styles
• Designed to support occasional racing and aggressive driving
• Optimized for a seamless pedal feel and reliable engagement
• Built to withstand demanding conditions while maintaining street manners

Construction & Design

The FX350 HD clutch system utilizes a robust Power Plus I Pressure Plate combined with Clutch Masters' innovative New Formula Button disc. This combination ensures high clamping force and durability, capable of handling increased power levels and aggressive driving. The materials and machining are selected for longevity and consistent performance under stress, making it a dependable upgrade for enthusiasts seeking a balance of street comfort and race-ready strength.

Driving Feel & Feedback

This clutch kit provides a firm yet manageable pedal feel, offering precise engagement and excellent feedback. It supports spirited driving by maintaining a predictable response, allowing drivers to confidently control power transfer during aggressive maneuvers or daily commuting.

Installation & Fitment

Installation should be performed by a qualified technician familiar with Subaru STI models. Proper setup ensures optimal performance and longevity. Fitment details should be verified against the vehicle’s specifications and the part number provided.

What’s Included

The kit includes the Power Plus I Pressure Plate, New Formula Button disc, and all necessary hardware for installation, providing a complete upgrade solution for your Subaru STI.