• ACT Heavy Duty Race Rigid 6 Pad Solid Disc Clutch Kit | Subaru WRX STI (04-21) (SB10-HDR6)
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ACT Heavy Duty Race Rigid 6 Pad Solid Disc Clutch Kit | Subaru WRX STI (04-21) (SB10-HDR6)

ACT Heavy Duty Race Rigid 6 Pad Solid Disc Clutch Kit | Subaru WRX STI (04-21) (SB10-HDR6)

SB10-HDR6

In stock

$799.00 USD
$986.00 USD $799.00 USD
kADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The ACT Heavy Duty Race Rigid 6 Pad Solid Disc Clutch Kit is a high-performance upgrade designed for demanding driving conditions. Engineered for durability and reliability, this clutch kit features a solid disc with six high-friction pads that provide exceptional grip and consistent engagement. Constructed with premium materials and advanced manufacturing techniques, it offers improved heat resistance and longevity, making it suitable for aggressive street driving and racing applications. The kit enhances the vehicle’s ability to handle increased power outputs and aggressive driving styles, ensuring reliable performance under high-stress conditions.

This clutch kit is designed as a universal fitment for Subaru WRX STI models from 2004 to 2021. It serves as a direct replacement or upgrade for stock clutches, providing increased clamping force and durability. Ideal for enthusiasts seeking a reliable performance upgrade, this kit is suitable for high-performance street use, track days, and racing. Installation involves replacing the existing clutch components with the included rigid disc and pads, offering a straightforward upgrade for vehicles subjected to high torque and demanding driving environments.

Overview

ACT Heavy Duty Race Rigid 6 Pad Solid Disc Clutch Kit

Part #: SB10-HDR6

Overview

The ACT Heavy Duty Race Rigid 6 Pad Solid Disc Clutch Kit is designed to deliver exceptional durability and performance for high-stress driving conditions. Suitable for enthusiasts and racers seeking a reliable upgrade, this clutch kit enhances your vehicle’s ability to handle increased power and aggressive driving styles. Built with high-quality materials and advanced manufacturing processes, it offers a combination of strength, responsiveness, and longevity that supports demanding applications. Whether you’re pushing your Subaru WRX STI on the track or tackling tough street driving, this clutch kit provides the confidence and control you need. The kit features ACT’s most popular Heavy Duty pressure plate, engineered with an exclusive diaphragm design that increases clamp load, reduces deflection, and maximizes clutch life. The pressure plates undergo a rigorous four-stage heat-treating process to ensure consistent performance and durability. The high-quality 6-pad rigid race discs are crafted with premium materials, including ceramic compounds, to withstand extreme heat and stress while maintaining reliable engagement. This setup is ideal for drivers seeking a robust clutch solution that supports aggressive driving and high horsepower applications.

Key Features

This clutch kit combines advanced engineering with durable construction to meet the demands of high-performance driving. Key features include:
  • Heavy Duty diaphragm pressure plate for increased clamp load and stability
  • Six-pad rigid race discs made with high-quality ceramic materials for heat resistance
  • Precision cover stampings to ensure rigidity and consistent engagement
  • Designed to withstand high torque loads and aggressive use
  • Engineered for maximum clutch life and reliable performance under demanding conditions
  • Suitable for high-stress racing and spirited street driving

Construction & Design

The ACT SB10-HDR6 clutch kit features a robust pressure plate with a precision-machined cover and a high-strength diaphragm design. The rigid race discs are engineered with ceramic friction material, optimized for heat dissipation and durability. The components are assembled to provide a balanced, reliable clutch system capable of handling increased power levels while maintaining smooth engagement and pedal feel.

Driving Feel & Feedback

This clutch kit offers a firm, predictable pedal feel with quick engagement, making it ideal for performance driving. The rigid disc design ensures minimal slippage and consistent power transfer, providing confident feedback during aggressive shifts and high-load conditions.

Installation & Fitment

Installation should be performed by a qualified technician familiar with high-performance clutch systems. Proper setup and alignment are critical to ensure optimal performance and longevity. Fitment verification against vehicle specifications and part number is recommended prior to installation.

What’s Included

The kit includes the heavy-duty pressure plate, six-pad race disc, release bearing, and all necessary hardware for installation.
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