{"product_id":"act-sb11-hdss-heavy-duty-performance-street-sprung-clutch-kit-for-subaru-legacy-and-impreza-5-speed","title":"ACT SB11-HDSS Heavy Duty Performance Street Sprung Clutch Kit for Subaru Legacy and Impreza 5-Speed","description":"SB11-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty 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 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, with increased strength and reliability.\nHD\/Perf Street Sprung\nLight to moderate pedal effort, smooth positive 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\n\u003cul\u003e\n  \u003cli\u003e\"Excellence in Performance\", backed by the best one-year warranty in the industry!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ACT SB11-HDSS Heavy Duty Performance Street Sprung Clutch Kit is engineered for Subaru Legacy and Impreza models equipped with a 5-speed manual transmission. This complete kit combines ACT’s Heavy Duty pressure plate with a Performance Street sprung disc to provide reliable clamping force, smooth engagement, and dependable performance for daily driving, spirited street use, and select racing applications.\u003c\/p\u003e\u003cp\u003eThe ACT Heavy Duty pressure plate uses an exclusive diaphragm design to increase clamp load, reduce deflection, and help extend clutch life. Each diaphragm undergoes a four-stage heat-treating process, while precision cover stampings improve rigidity and consistency. The Performance Street disc uses premium organic friction material with high copper content for improved heat transfer, plus steel-backed lining for increased burst strength and durability. Reduced marcel supports faster shift action while maintaining a smooth, positive engagement and light to moderate pedal effort.\u003c\/p\u003e\u003cp\u003eEvery ACT SB11-HDSS kit is carefully engineered, precisely assembled, accurately balanced, 100% clamp-load tested, and dynamically computer balanced for reliable operation at high engine speeds. The kit is designed to deliver extended friction life, heat tolerance, reduced fade, and OE-like drivability with mild gear rattle. It is recommended for street and race use and is supported by ACT’s one-year warranty. Confirm vehicle application and transmission compatibility before installation.\u003c\/p\u003e\u003ch3\u003eProduct Specifications \u0026amp; Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: ACT\u003c\/li\u003e\n\u003cli\u003ePart Number: SB11-HDSS\u003c\/li\u003e\n\u003cli\u003eClutch Type: Heavy Duty pressure plate with Performance Street sprung disc\u003c\/li\u003e\n\u003cli\u003eTransmission Compatibility: 5-speed manual transmission\u003c\/li\u003e\n\u003cli\u003eDisc Friction Material: Premium organic material with high copper content\u003c\/li\u003e\n\u003cli\u003eDisc Construction: Steel-backed lining for added strength and durability\u003c\/li\u003e\n\u003cli\u003eBalancing: Dynamically computer balanced and 100% clamp-load tested\u003c\/li\u003e\n\u003cli\u003eRecommended Use: Street driving, performance applications, and racing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eACT Heavy Duty pressure plate\u003c\/li\u003e\n\u003cli\u003eACT Performance Street sprung clutch disc\u003c\/li\u003e\n\u003cli\u003eClutch kit components supplied by the manufacturer\u003c\/li\u003e\n\u003cli\u003eACT one-year limited warranty coverage\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFitment includes select 2005–2009 Subaru Legacy and 2006–2007 Subaru Impreza models with a 5-speed manual transmission. Verify the exact year, model, engine, drivetrain, and transmission before ordering.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy Duty Clamping: ACT’s exclusive diaphragm design increases clamp load, reduces deflection, and helps maximize clutch service life.\u003c\/li\u003e\n\u003cli\u003eSmooth Street Engagement: Performance Street organic friction material provides light to moderate pedal effort and smooth, positive engagement.\u003c\/li\u003e\n\u003cli\u003eHeat and Fade Resistance: High copper content improves heat transfer, while premium organic material helps withstand heat and reduce fade.\u003c\/li\u003e\n\u003cli\u003eHigh-Speed Reliability: Precision assembly, computer balancing, and 100% clamp-load testing support dependable operation at high engine speeds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2005 Subaru Legacy GT\u003cbr\u003e\n2005 Subaru Legacy GT Limited\u003cbr\u003e\n2005 Subaru Outback XT\u003cbr\u003e\n2005 Subaru Outback XT Limited\u003cbr\u003e\n2006 Subaru Baja Turbo\u003cbr\u003e\n2006 Subaru Forester XT Limited\u003cbr\u003e\n2006 Subaru Impreza WRX\u003cbr\u003e\n2006 Subaru Impreza WRX Limited\u003cbr\u003e\n2006 Subaru Impreza WRX TR\u003cbr\u003e\n2006 Subaru Legacy GT\u003cbr\u003e\n2006 Subaru Legacy GT spec.B\u003cbr\u003e\n2006 Subaru Outback XT\u003cbr\u003e\n2006 Subaru Outback XT Limited\u003cbr\u003e\n2007 Subaru Forester XT Limited\u003cbr\u003e\n2007 Subaru Impreza WRX\u003cbr\u003e\n2007 Subaru Impreza WRX Limited\u003cbr\u003e\n2007 Subaru Impreza WRX TR\u003cbr\u003e\n2007 Subaru Legacy GT Limited\u003cbr\u003e\n2007 Subaru Legacy GT spec.B\u003cbr\u003e\n2007 Subaru Outback XT Limited\u003cbr\u003e\n2008 Subaru Forester Sports 2.5 XT\u003cbr\u003e\n2008 Subaru Forester XT Limited\u003cbr\u003e\n2008 Subaru Impreza WRX\u003cbr\u003e\n2008 Subaru Legacy GT Limited\u003cbr\u003e\n2008 Subaru Legacy GT spec.B\u003cbr\u003e\n2008 Subaru Outback XT Limited\u003cbr\u003e\n2009 Subaru Impreza WRX\u003cbr\u003e\n2009 Subaru Impreza WRX Premium\u003cbr\u003e\n2009 Subaru Legacy GT Limited\u003cbr\u003e\n2009 Subaru Legacy GT spec.B\u003cbr\u003e\n2009 Subaru Outback XT Limited\u003cbr\u003e\n2010 Subaru Impreza WRX\u003cbr\u003e\n2010 Subaru Impreza WRX Limited\u003cbr\u003e\n2010 Subaru Impreza WRX Premium\u003cbr\u003e\n2011 Subaru Impreza WRX\u003cbr\u003e\n2011 Subaru Impreza WRX Limited\u003cbr\u003e\n2011 Subaru Impreza WRX Premium\u003cbr\u003e\n2012 Subaru Impreza WRX\u003cbr\u003e\n2012 Subaru Impreza WRX Limited\u003cbr\u003e\n2012 Subaru Impreza WRX Premium\u003cbr\u003e\n2013 Subaru Impreza WRX\u003cbr\u003e\n2013 Subaru Impreza WRX Limited\u003cbr\u003e\n2013 Subaru Impreza WRX Premium\u003cbr\u003e\n2014 Subaru Impreza WRX\u003cbr\u003e\n2014 Subaru Impreza WRX Limited\u003cbr\u003e\n2014 Subaru Impreza WRX Premium\u003cbr\u003e\n2015 Subaru WRX Base\u003cbr\u003e\n2015 Subaru WRX Limited\u003cbr\u003e\n2015 Subaru WRX Premium\u003cbr\u003e\n2016 Subaru WRX Base\u003cbr\u003e\n2016 Subaru WRX Limited\u003cbr\u003e\n2016 Subaru WRX Premium\u003cbr\u003e\n2017 Subaru WRX Base\u003cbr\u003e\n2017 Subaru WRX Limited\u003cbr\u003e\n2017 Subaru WRX Premium\u003cbr\u003e\n2018 Subaru WRX Base\u003cbr\u003e\n2018 Subaru WRX Limited\u003cbr\u003e\n2018 Subaru WRX Premium\u003cbr\u003e\n2019 Subaru WRX Base\u003cbr\u003e\n2019 Subaru WRX Limited\u003cbr\u003e\n2019 Subaru WRX Premium\u003cbr\u003e\n2020 Subaru WRX Base\u003cbr\u003e\n2020 Subaru WRX Limited\u003cbr\u003e\n2020 Subaru WRX Premium\u003cbr\u003e\n2021 Subaru WRX Base\u003cbr\u003e\n2021 Subaru WRX Limited\u003cbr\u003e\n2021 Subaru WRX Premium\u003cbr\u003e\n2022 Subaru WRX Base\u003cbr\u003e\n2022 Subaru WRX Limited\u003cbr\u003e\n2022 Subaru WRX Premium\u003cbr\u003e\n2023 Subaru WRX Base\u003cbr\u003e\n2023 Subaru WRX Limited\u003cbr\u003e\n2023 Subaru WRX Premium\u003cbr\u003e\n2024 Subaru WRX Base\u003cbr\u003e\n2024 Subaru WRX Limited\u003cbr\u003e\n2024 Subaru WRX Premium\u003cbr\u003e\n2024 Subaru WRX TR\u003cbr\u003e\n2025 Subaru WRX Limited\u003cbr\u003e\n2025 Subaru WRX Premium\u003cbr\u003e\n2025 Subaru WRX TS\u003cbr\u003e\n2026 Subaru WRX Limited\u003cbr\u003e\n2026 Subaru WRX Premium\u003cbr\u003e\n2026 Subaru WRX Series.Yellow\u003cbr\u003e\n2026 Subaru WRX TS\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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