• ACT HD/Race Rigid 4 Pad Clutch Kit | Subaru WRX (92-26) (SB12-HDR4)
  • ACT HD/Race Rigid 4 Pad Clutch Kit | Subaru WRX (92-26) (SB12-HDR4)
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ACT HD/Race Rigid 4 Pad Clutch Kit | Subaru WRX (92-26) (SB12-HDR4)

ACT HD/Race Rigid 4 Pad Clutch Kit | Subaru WRX (92-26) (SB12-HDR4)

SB12-HDR4

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$1,107.32 USD
$1,457.00 USD $1,107.32 USD
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The ACT 06-25 Subaru WRX HD/Race Rigid 4 Pad Clutch Kit is a high-performance clutch system designed for demanding driving conditions. It features ACT's most popular Heavy Duty pressure plate, which utilizes an exclusive diaphragm design to increase clamp load, reduce deflection, and extend clutch life. The pressure plate undergoes a four-stage heat-treating process to ensure durability and consistent performance. The kit includes a 4-pad rigid race disc made with high-quality ceramic friction materials, providing excellent grip and heat resistance. The chrome-moly hub is heat-treated for added strength, making this clutch kit ideal for aggressive street and track use. Its construction emphasizes rigidity and precision, delivering reliable power transfer and enhanced durability under high-stress conditions.

This clutch kit is specifically designed to fit 2011–2025 Subaru WRX models equipped with suitable engine configurations. It is a direct replacement for stock components, providing a significant upgrade in clamping force and heat capacity for spirited driving or racing applications. The kit is intended for use on street, track, or race vehicles requiring a robust clutch solution. Installation involves bolt-on replacement of the existing clutch assembly, with all necessary components included for a straightforward upgrade. Compatible with vehicles that demand high-performance clutching, this ACT kit ensures improved engagement, longevity, and consistent performance during intense driving sessions.

Overview

ACT Clutch Kit

Fits 2006–2025 Subaru WRX

Part #: SB12-HDR4

Overview

The ACT 06-25 Subaru WRX HD/Race Rigid 4 Pad Clutch Kit is designed for enthusiasts seeking enhanced durability and performance in their vehicle’s clutch system. This kit is ideal for high-performance driving, including racing and spirited street use, where reliable engagement and long-lasting wear are essential. Crafted to support aggressive driving styles, it offers a significant upgrade over stock components, providing improved response, heat resistance, and clutch life. Whether you’re upgrading for track days or demanding daily driving, this clutch kit delivers consistent performance and confidence under stress. Its robust construction ensures your vehicle maintains optimal power transfer, helping you achieve better acceleration and control during intense driving conditions.

Key Features

This clutch kit features high-quality materials and innovative design elements to maximize performance and longevity. Key features include:
  • Heavy Duty pressure plate with exclusive diaphragm design for increased clamp load
  • Four-stage heat-treated diaphragm for durability and heat resistance
  • Precision cover stampings for rigidity and consistent engagement
  • High-quality ceramic friction materials on the race discs for reliable grip
  • Chrome-moly hub that is heat-treated for strength and resilience
  • Designed to withstand high torque loads and aggressive driving conditions

Construction & Design

The ACT clutch kit incorporates a high-strength chrome-moly hub and ceramic friction materials, ensuring durability and consistent performance. The pressure plate’s heat-treated diaphragm and precision stampings provide structural integrity and reliable engagement. The components are engineered to endure the rigors of high-performance driving, offering a balanced combination of strength and responsiveness.

Driving Feel & Feedback

This clutch kit enhances pedal feel and engagement, providing a more direct and confident driving experience. Its rigid design ensures minimal flex under load, translating to improved response during shifts and aggressive acceleration. The ceramic friction materials contribute to a firm, predictable grip, supporting high-performance driving scenarios.

Installation & Fitment

Installation requires proper mechanical expertise and tools, as it involves replacing the clutch assembly. The kit is designed to fit 2006–2025 Subaru WRX models, ensuring a straightforward upgrade for compatible vehicles.

What’s Included

The package includes all necessary components for a complete clutch replacement, including the pressure plate, race discs, and hardware needed for installation.

Ideal For

This clutch kit is perfect for Subaru WRX owners who demand increased durability, improved response, and race-ready performance from their vehicle’s clutch system. It’s suited for both track enthusiasts and spirited street drivers seeking a reliable upgrade.
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