ACT Heavy Duty Race Sprung 6 Pad Clutch Kit

Fitment: Subaru WRX STI (04-21)

Part #: SB10-HDG6

Overview

The ACT Heavy Duty Race Sprung 6 Pad Clutch Kit is designed to deliver exceptional durability and performance for Subaru WRX STI enthusiasts seeking a reliable upgrade for spirited driving and racing applications. This kit includes ACT’s most popular Heavy Duty pressure plate, engineered to withstand high torque loads and aggressive driving conditions. The clutch features a race-oriented 6-pad spring-centered disc that provides smooth engagement and consistent power transfer, making it ideal for high-performance street and track use. Built with quality materials and precision manufacturing, this clutch kit helps improve response, pedal feel, and longevity, ensuring your vehicle can handle increased power levels with confidence.

Key Features

This clutch kit combines advanced design and robust construction to support demanding driving scenarios. Key features include:

• Heavy Duty pressure plate with exclusive diaphragm design for increased clamp load
• Four-stage heat-treating process enhances durability and heat resistance
• Precision cover stampings provide rigidity and consistent engagement
• Spring-centered 6-pad race disc for smooth engagement and high torque capacity
• Designed to support high-performance applications and aggressive driving styles
• Engineered for reliable operation and extended clutch life under demanding conditions

Construction & Design

The clutch components are crafted from high-quality steel and friction materials, ensuring strength and heat dissipation during intense use. The diaphragm pressure plate features a robust design that maintains consistent clamp load, while the spring-centered disc helps absorb shock and reduce driveline stress. The precision manufacturing process guarantees a reliable fit and long-lasting performance.

Driving Feel & Feedback

This clutch kit offers a firm pedal feel with smooth engagement, providing excellent feedback for precise control during aggressive driving or racing. The design minimizes slip and maximizes power transfer, enhancing overall vehicle responsiveness.

Installation & Fitment

Installation should be performed by a qualified technician familiar with high-performance clutch systems. Fitment is specifically designed for Subaru WRX STI models from 2004 to 2021; verify compatibility with your vehicle before installation.

What’s Included

The kit includes the heavy-duty pressure plate, race disc, release bearing, and all necessary hardware for a complete upgrade.