ACT Heavy Duty Performance Street Sprung Clutch Kit

Part #: SB5-HDSS

Overview

The ACT Heavy Duty Performance Street Sprung Clutch Kit is designed to enhance the durability and performance of your Subaru WRX (2015-2018). This kit combines ACT’s most popular heavy-duty pressure plate with a high-quality street disc, providing a reliable upgrade for spirited driving and daily use. Crafted for enthusiasts seeking improved clutch response, increased clamp load, and longer lifespan, this clutch kit offers a balanced blend of performance and drivability. Whether you're upgrading for better handling or replacing a worn clutch, this kit helps ensure your vehicle maintains optimal engagement and smooth operation under demanding conditions.

Key Features

This clutch kit features advanced materials and engineering designed to support your vehicle’s performance needs. Key features include:

• Heavy-duty diaphragm pressure plate for increased clamp load and reduced deflection
• Precision cover stampings for enhanced rigidity and consistency
• Premium organic performance street disc for smooth engagement and durability
• Heat-treated components for improved heat resistance and longevity
• Designed for reliable street performance with spirited driving capabilities
• Optimized for a balanced feel and response during clutch engagement
• Engineered to support increased power handling without sacrificing daily drivability

Construction & Design

The ACT HD/Perf Street Sprung Clutch Kit features a robust diaphragm pressure plate with exclusive design elements that maximize clamp load and minimize deflection. The components undergo a four-stage heat-treating process, ensuring durability and consistent performance. The organic disc material is selected for its excellent friction characteristics, providing a smooth pedal feel and reliable engagement.

Driving Feel & Feedback

This clutch kit offers a confident and responsive driving experience, with improved engagement characteristics that support spirited driving and daily commuting. The sprung hub design helps absorb vibrations, resulting in a smoother pedal feel and reduced driveline shock, enhancing overall driving comfort.

Installation & Fitment

Installation should be performed by a qualified technician familiar with clutch upgrades. Proper alignment and torque specifications are critical for optimal performance and longevity. Fitment verification against your vehicle’s specifications is recommended to ensure compatibility.

What’s Included

The kit includes the heavy-duty pressure plate, organic street disc, release bearing, and necessary hardware for installation. Additional components or tools are not included and should be sourced separately if required.

Ideal For

This clutch kit is ideal for Subaru WRX owners seeking a durable upgrade that supports aggressive driving, increased power handling, and reliable daily performance. It’s suitable for enthusiasts who want a confident clutch response without sacrificing comfort or ease of use.