ACT Twin XT Race Kit

Part #: T2R-S05

Overview

The ACT Mod Twin XT Sprung Hub Race Kit with 6-Pad Discs is a high-performance clutch solution designed for Subaru WRX STI models from 2004 to 2021. This kit is engineered for enthusiasts seeking improved durability, heat capacity, and long-lasting performance under demanding driving conditions. Whether you're racing, spirited street driving, or require a reliable upgrade for high-stress applications, this twin disc clutch kit offers a significant upgrade over single disc setups, providing enhanced response and longevity. Its innovative design supports aggressive driving styles while maintaining smooth engagement and quiet operation, making it an ideal choice for serious drivers who demand both performance and reliability.

Key Features

This twin disc clutch kit features advanced materials and a proprietary design to optimize performance and durability. Key features include:

• Dual disc surfaces for increased wear resistance and heat dissipation
• Positive Lift Floater System for quiet operation and elimination of floater rattle
• Exclusive four-stage heat-treating process on all diaphragms for enhanced strength
• Sprung hub design to absorb torsional vibrations and improve engagement feel
• Designed to support high horsepower and torque loads
• Precision engineering for consistent performance and long service life

Construction & Design

The ACT Twin XT Race Kit employs a proprietary Positive Lift Floater System, which ensures smooth, quiet operation without posts to wear or rattling. The discs are manufactured with a four-stage heat-treating process, enhancing their structural integrity and resistance to thermal stress. The sprung hub design helps absorb drivetrain vibrations, providing a more refined driving experience even under aggressive conditions.

Driving Feel & Feedback

This kit is designed to deliver a responsive and predictable engagement, supporting high-performance driving while maintaining a comfortable pedal feel. The dual disc setup helps manage heat buildup during extended use, reducing the risk of fade and ensuring consistent power transfer. Drivers will notice improved response and a more engaged driving experience, especially during spirited or track driving.

Installation & Fitment

Installation requires proper alignment and torque specifications, and it is recommended to have a professional mechanic perform the upgrade. Fitment should be verified against vehicle specifications and the part number provided.

What’s Included

The package includes the twin sprung hub discs, pressure plate, release bearing, and all necessary hardware for installation. Additional components or tools are not included and should be sourced separately if needed.