• Spec Stage 3 Clutch Kit | 2002-2005 Subaru WRX (SU003)
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Spec Stage 3 Clutch Kit | 2002-2005 Subaru WRX (SU003)

Spec Stage 3 Clutch Kit | 2002-2005 Subaru WRX (SU003)

SU003

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$429.91 USD
$569.00 USD $429.91 USD
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The SPEC Stage 3 Clutch Kit for the 2002-2005 Subaru WRX (SU003) is a high-performance clutch system designed to enhance torque capacity and engagement for spirited driving and racing applications. Constructed with durable materials, this clutch kit features an aggressive pressure plate and a high-friction clutch disc, providing reliable power transfer under increased load conditions. It is engineered to deliver improved performance, quicker throttle response, and increased holding capacity, making it suitable for enthusiasts seeking a significant upgrade over stock components. The kit ensures a balance of streetability and race-ready durability, ideal for high-performance builds.

This clutch kit is specifically designed for 2002-2005 Subaru WRX models equipped with a 2.0L turbocharged engine. It serves as a direct replacement for the stock clutch, offering a bolt-on installation that requires no additional modifications. Suitable for street, track, or aggressive daily driving, the kit includes all necessary components for a complete upgrade. It is compatible with vehicles that demand higher torque handling and aggressive engagement, making it an excellent choice for performance-oriented drivers looking to maximize their Subaru WRX’s capabilities.

Overview

SPEC Stage 3 Clutch Kit

2002–2005 Subaru WRX 2.0L Turbo

Part #: SU003

Overview

The SPEC Stage 3 Clutch Kit for Subaru WRX models from 2002 to 2005 is engineered to deliver exceptional performance and durability for enthusiasts who demand more from their vehicle's clutch system. Whether you're building a street performance car or a dedicated race machine, this clutch kit provides the high torque capacity and aggressive engagement needed to handle increased power levels while maintaining streetability. Designed with precision and quality, the Stage 3 kit ensures reliable operation under demanding conditions, making it an ideal choice for spirited driving, track days, or high-performance applications.

Built for drivers who require a clutch that can support aggressive driving styles without sacrificing daily drivability, the SPEC Stage 3 Clutch Kit offers a perfect balance of performance and longevity. Its robust construction and innovative design help you achieve confident shifts and improved power transfer, giving your Subaru WRX the edge it needs for competitive or recreational use.

Key Features

The SPEC Stage 3 Clutch Kit incorporates advanced materials and engineering to optimize performance and durability. Key features include:

  • Carbon semi-metallic puck design with application-dependent 6 or 4 puck configuration, providing high torque capacity and quick engagement.
  • Sprung or solid hub disc options tailored for street or race use, with the sprung hub version featuring double sprung cover for enhanced flexibility and heat management.
  • Heat-treated components and high-quality springs to withstand extreme conditions and prolonged use.
  • Heavy-duty pressure plate with reinforced diaphragm springs for consistent clamping force and pedal feel.
  • Engineered for aggressive yet streetable engagement, ideal for high-horsepower builds and spirited driving.
  • Designed to improve torque transfer and reduce slip under high load conditions, supporting increased horsepower and torque output.
  • Manufactured by SPEC, a trusted name in high-performance clutch systems with a reputation for quality and reliability.

Construction & Design

The SPEC Stage 3 Clutch Kit features a meticulously engineered design that combines high-grade materials with innovative manufacturing techniques. The clutch disc utilizes a carbon semi-metallic puck configuration, which offers excellent heat resistance and durability while providing aggressive engagement characteristics. The hub options—sprung or solid—allow you to customize the clutch's feel and performance based on your driving needs.

The pressure plate is constructed from heavy-duty steel with reinforced diaphragm springs, ensuring consistent clamping force and long-term reliability. Heat-treated components throughout the kit help resist warping and fatigue, even under extreme conditions. The overall design emphasizes smooth engagement, high torque capacity, and longevity, making it suitable for both street and race applications.

Installation & Fitment

This clutch kit is a bolt-on upgrade that directly replaces the factory clutch components on your Subaru WRX from 2002 to 2005. No cutting, drilling, or modifications are required for installation, and it is designed to fit OEM flywheels and transmission components seamlessly. Basic mechanical skills and standard tools are sufficient for installation, but professional installation is recommended to ensure optimal performance and longevity.

  • Complete bolt-in replacement for factory clutch components
  • No cutting or drilling required
  • Compatible with OEM flywheel and transmission

What's Included

  • High-performance clutch disc (application-dependent 6 or 4 puck configuration)
  • Heavy-duty pressure plate with reinforced diaphragm springs
  • All necessary hardware and mounting components
  • Installation instructions

Ideal For

  • Subaru WRX owners seeking increased torque capacity and improved performance
  • Enthusiasts building high-horsepower street or race cars
  • Drivers requiring a reliable, aggressive clutch for spirited driving
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