ACT Heavy Duty Rigid Race Clutch Kit

Part #: T1R-S01

Overview

The ACT Mod-Twin 225 Heavy Duty Rigid Race Clutch Kit is designed for high-performance driving enthusiasts and racers seeking maximum durability and reliable engagement. Crafted specifically for the Subaru WRX STI (13-21), this clutch kit offers a significant upgrade over stock components, supporting aggressive driving styles and demanding track conditions. It features a robust construction that ensures consistent power transfer, improved response, and long-lasting performance under extreme conditions. Whether you're building a dedicated race car or pushing your street-driven STI to its limits, this clutch kit provides the confidence and control needed for intense driving sessions. The kit is engineered to handle increased torque loads and high RPM shifts, making it ideal for motorsport applications or heavily modified vehicles. Its heavy-duty design helps maintain pedal feel and engagement consistency, ensuring you get precise control during aggressive launches and rapid gear changes. The ACT Mod-Twin 225 is a reliable choice for drivers who demand durability, performance, and a race-ready feel from their clutch system.

Key Features

This clutch kit combines innovative materials and a performance-oriented design to deliver exceptional durability and engagement. Key features include:

• Heavy-duty, rigid construction for maximum strength and longevity
• High-performance ceramic and metallic friction materials for improved heat resistance
• Designed to support increased torque and high RPM shifts
• Rigid hub design to reduce flex and improve response during aggressive driving
• Optimized for racing and high-performance street use
• Includes all necessary components for a complete installation
• Engineered for consistent pedal feel and engagement

Construction & Design

The ACT Mod-Twin 225 features a heavy-duty pressure plate with a rigid hub design, crafted from high-strength steel to withstand extreme stress. The friction surfaces utilize advanced ceramic and metallic compounds, providing excellent heat dissipation and wear resistance. The assembly is engineered for precise engagement and durability, ensuring reliable performance in demanding environments.

Driving Feel & Feedback

This clutch kit offers a firm, predictable pedal feel that provides excellent feedback during aggressive driving. It supports quick, confident shifts and maintains consistent engagement even under high heat and torque loads, making it ideal for racing applications.

Installation & Fitment

Installation requires mechanical expertise and should be performed by qualified technicians. Fitment is specifically designed for the Subaru WRX STI (13-21), and verification against your vehicle’s specifications is recommended before purchase.

What’s Included

The kit includes a heavy-duty pressure plate, a high-performance clutch disc, a release bearing, and all necessary hardware for installation.