ACT SB12-XTSS Xtreme Performance Street Sprung Clutch Kit for Subaru WRX

SB12-XTSS kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Performance street discs are the most popular disc purchased. They feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs have reduced marcel for faster shift action to complement ACT pressure plates. Quiet operation with increased strength and reliability. XT/Perf Street Sprung Moderate to heavy pedal effort, smooth engagement, OE to mild gear rattle; Longer friction life, extended by ACT's exclusive diaphragm design; Carefully engineered, precisely assembled, accurately balanced, with premium organic friction materials for heat tolerance and reduced fade; Recommended for street and race use; 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

• "Excellence in Performance", backed by the best one-year warranty in the industry!

The ACT SB12-XTSS Xtreme Performance Street Sprung Clutch Kit is engineered for Subaru WRX drivers who require dependable engagement, increased holding power, and long-term durability for demanding street and race use. This kit combines an ACT Xtreme pressure plate with a Performance Street sprung disc to deliver moderate to heavy pedal effort, smooth engagement, and reliable power transfer.

The Xtreme pressure plate uses ACT's exclusive diaphragm design to increase clamp load, reduce deflection, and help extend clutch life. Each diaphragm undergoes a four-stage heat-treating process for consistent performance, while precision cover stampings improve rigidity and operating consistency. The pressure plate is also 100% clamp-load tested and dynamically computer balanced for smooth, reliable operation at high engine speeds.

The included Performance Street sprung disc uses premium organic friction materials with high copper content to improve heat transfer and resistance to fade. Steel-backed linings provide increased burst strength and durability, while reduced marcel delivers faster shift action. The sprung design helps maintain quiet operation with only OE to mild gear rattle. This ACT clutch kit is recommended for street-driven and race applications requiring a durable, carefully engineered replacement system. It is backed by ACT's industry-leading one-year warranty.

Fitment: Designed for select 2009–2013 Subaru Impreza and Subaru WRX applications. Verify vehicle configuration, transmission, engine, and original equipment specifications before installation.

Features:

• Xtreme Pressure Plate: Increases clamp load and reduces diaphragm deflection for dependable power transfer and extended clutch life.
• Four-Stage Heat-Treated Diaphragm: Provides enhanced strength, consistency, and resistance to demanding operating conditions.
• Performance Street Sprung Disc: Uses premium organic friction material with high copper content for heat tolerance, smooth engagement, and reduced fade.
• Precision Balanced Assembly: 100% clamp-load tested and dynamically computer balanced for smooth high-RPM reliability and durable street or race performance.

Fitments:
2005 Subaru Legacy GT
2005 Subaru Legacy GT Limited
2005 Subaru Outback XT
2005 Subaru Outback XT Limited
2006 Subaru Baja Turbo
2006 Subaru Forester XT Limited
2006 Subaru Impreza WRX
2006 Subaru Impreza WRX Limited
2006 Subaru Impreza WRX TR
2006 Subaru Legacy GT
2006 Subaru Legacy GT spec.B
2006 Subaru Outback XT
2006 Subaru Outback XT Limited
2007 Subaru Forester XT Limited
2007 Subaru Impreza WRX
2007 Subaru Impreza WRX Limited
2007 Subaru Impreza WRX TR
2007 Subaru Legacy GT Limited
2007 Subaru Legacy GT spec.B
2007 Subaru Outback XT Limited
2008 Subaru Forester Sports 2.5 XT
2008 Subaru Forester XT Limited
2008 Subaru Impreza WRX
2008 Subaru Legacy GT Limited
2008 Subaru Legacy GT spec.B
2008 Subaru Outback XT Limited
2009 Subaru Impreza WRX
2009 Subaru Impreza WRX Premium
2009 Subaru Legacy GT Limited
2009 Subaru Legacy GT spec.B
2009 Subaru Outback XT Limited
2010 Subaru Impreza WRX
2010 Subaru Impreza WRX Limited
2010 Subaru Impreza WRX Premium
2011 Subaru Impreza WRX
2011 Subaru Impreza WRX Limited
2011 Subaru Impreza WRX Premium
2012 Subaru Impreza WRX
2012 Subaru Impreza WRX Limited
2012 Subaru Impreza WRX Premium
2013 Subaru Impreza WRX
2013 Subaru Impreza WRX Limited
2013 Subaru Impreza WRX Premium
2014 Subaru Impreza WRX
2014 Subaru Impreza WRX Limited
2014 Subaru Impreza WRX Premium
2015 Subaru WRX Base
2015 Subaru WRX Limited
2015 Subaru WRX Premium
2016 Subaru WRX Base
2016 Subaru WRX Limited
2016 Subaru WRX Premium
2017 Subaru WRX Base
2017 Subaru WRX Limited
2017 Subaru WRX Premium
2018 Subaru WRX Base
2018 Subaru WRX Limited
2018 Subaru WRX Premium
2019 Subaru WRX Base
2019 Subaru WRX Limited
2019 Subaru WRX Premium
2020 Subaru WRX Base
2020 Subaru WRX Limited
2020 Subaru WRX Premium
2021 Subaru WRX Base
2021 Subaru WRX Limited
2021 Subaru WRX Premium
2022 Subaru WRX Base
2022 Subaru WRX Limited
2022 Subaru WRX Premium
2023 Subaru WRX Base
2023 Subaru WRX Limited
2023 Subaru WRX Premium
2024 Subaru WRX Base
2024 Subaru WRX Limited
2024 Subaru WRX Premium
2024 Subaru WRX TR
2025 Subaru WRX Limited
2025 Subaru WRX Premium
2025 Subaru WRX TS
2026 Subaru WRX Limited
2026 Subaru WRX Premium
2026 Subaru WRX Series.Yellow
2026 Subaru WRX TS

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Units Per Sku: 1
Regular Stock: t