ACT 3000503 Performance Street Sprung Clutch Disc for 04-21 Subaru WRX STI 2.5L

Vehicle Fitment

• 2004-2021 Subaru WRX STI (Base/Limited/Launch Edition/Type RA/Series.HyperBlue, 2.5L H4 Turbo, AWD)
• 2007-2009 Subaru Legacy GT spec.B (2.5L H4 Turbo, AWD)

Features

• Premium organic friction material with high copper content for superior heat transfer
• Reduced marcel design enables quicker shift action and smooth engagement
• Spring-centered hub with bushings and cone springs for enhanced dampening
• Steel-backed linings increase burst strength and durability
• Heat-treated wraparound spring windows reduce stress concentrations
• Engineered for quiet operation with increased strength and reliability
• Optimized for both street and race applications
• Designed to complement ACT pressure plates for improved performance

Specifications

• Disc Diameter: 9.4 inches (240 mm)
• Input Shaft Diameter: 0.937 inches
• Spline Count: 21
• Disc Type: Sprung hub
• Material: Premium organic composite with steel-backed linings
• Weight: 4.5 lbs
• Torque Capacity: Up to 522 ft-lbs when paired with ACT pressure plate
• Warranty: 12 months

Included Components

• 1x ACT Performance Street Sprung Clutch Disc (Part No. 3000503)

Product Description

The ACT 3000503 Performance Street Sprung Clutch Disc is engineered for enthusiasts seeking a balance between daily drivability and high-performance capability. Utilizing premium organic materials with a high copper content, this disc ensures superior heat transfer, enhancing both performance and longevity. The reduced marcel design facilitates quicker shift actions, providing a smooth and responsive driving experience.

Designed to complement ACT pressure plates, the 3000503 features a spring-centered hub with bushings and cone springs, mirroring OEM designs to improve clutch life and reduce noise. Steel-backed linings bolster burst strength, while heat-treated wraparound spring windows mitigate stress concentrations, common failure points in clutch systems. This disc is an ideal choice for drivers who demand reliability and performance, whether navigating daily commutes or pushing limits on the track.