ACT SB10-HDSS HD Street Sprung Clutch Kit for 04-21 Subaru WRX STI 2.5L H4

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) - Requires STI flywheel for compatibility

Features

• Heavy-duty pressure plate with increased clamp load for enhanced torque capacity
• Performance street sprung disc with premium organic materials for smooth engagement
• Monoloc collar ensures uniform load distribution and improved alignment
• Steel-backed linings increase burst strength and durability
• Reduced marcel design enables quicker shift action
• Heat-treated diaphragm for consistent performance
• Designed for both street and race applications
• Light to moderate pedal effort with confidence during hard shifts

Specifications

• Disc Diameter: 9.4 inches (239 mm)
• Input Shaft Diameter: 1 inch
• Spline Count: 24
• Disc Type: Sprung hub
• Material: Organic
• Torque Capacity: 522 ft-lbs
• Weight: 18.2 lbs
• Warranty: 12 months

Included Components

• 1x ACT Heavy Duty Pressure Plate
• 1x ACT Performance Street Sprung Disc
• 1x ACT Monoloc Collar
• 1x ACT Clutch Alignment Tool
• 1x ACT Release Bearing
• 1x ACT Pilot Bearing

Product Description

The ACT SB10-HDSS Heavy Duty Street Sprung Clutch Kit is engineered for drivers seeking a high-performance clutch solution for their Subaru WRX STI or Legacy GT spec.B. Featuring a heavy-duty pressure plate and a performance street sprung disc, this kit delivers smooth engagement and increased torque capacity, making it ideal for both street and race applications.

The inclusion of the Monoloc collar ensures uniform load distribution and improved alignment, enhancing the overall durability and performance of the clutch system. With a torque capacity of 522 ft-lbs, this kit offers a significant increase over the original equipment, providing the strength needed for demanding driving conditions. Whether you're on the track or the street, the SB10-HDSS offers the reliability and performance you need.