ACT Performance drivetrain / engine component

Fits 2013–2020 Toyota 86, Subaru BRZ, and Scion FR-S

Part #: SB13-HDR4

Overview

The ACT HD/Race Rigid 4 Pad Clutch Kit is designed for enthusiasts seeking enhanced performance and durability in their lightweight sports cars. This high-quality clutch kit is ideal for drivers who demand quicker shifts, improved response, and reliable operation during spirited driving or track days. Built with precision and engineered for maximum longevity, this clutch kit helps optimize your vehicle’s power transfer and driving feel, making it a popular choice among performance-oriented drivers.

Key Features

• Heavy Duty pressure plate with exclusive diaphragm design for increased clamp load
• Four-stage heat-treated diaphragms for consistent performance under high stress
• Rigid 4-pad race discs made from high-quality ceramic friction materials
• Chrome-moly hub that is heat-treated for added strength and durability
• Lightweight, rigid design for quicker shifts and smooth engagement
• Engineered to support aggressive driving and track use
• Precision cover stampings to ensure rigidity and consistent operation

Construction & Design

This clutch kit features a robust construction with high-grade ceramic friction materials and a heat-treated chrome-moly hub, ensuring durability and reliable performance. The diaphragm pressure plate employs an exclusive design that maximizes clamp load while reducing deflection, supporting high-performance driving conditions. The rigid race disc design promotes faster engagement and improved shift response, making it suitable for smaller engine sizes with high demands.

Driving Feel & Feedback

The lightweight, rigid design of this clutch kit provides a more direct and responsive driving experience. Engagement is firmer, which helps drivers achieve quicker shifts and better control during aggressive driving. The increased clamp load and high-quality materials contribute to a consistent pedal feel and reliable engagement, even under demanding conditions.

Installation & Fitment

This clutch kit is designed as a direct replacement for the stock clutch in 2013–2020 Toyota 86, Subaru BRZ, and Scion FR-S models. Proper installation requires standard mechanical skills and tools. It is recommended to follow manufacturer instructions or consult a professional for optimal results.

What’s Included

The package includes the heavy-duty pressure plate, four-pad rigid race disc, and all necessary hardware for installation, ensuring a complete upgrade for your vehicle’s clutch system.

Ideal For

Perfect for drivers seeking a high-performance clutch upgrade for daily driving, spirited street use, or track days. Suitable for those who want quicker shifts, increased durability, and a more engaging driving experience.

ACT (Advanced Clutch Technology) engineers performance clutches and flywheels built for consistent engagement, higher torque capacity, and durability in street and race use. The brand emphasizes quality and reliability and is widely used by enthusiasts who need driveline components that can handle repeated hard launches, shifts, and track abuse.