# ACT SB10-XTSS XT-M/Perf Street Sprung for 2004–2014 Subaru Impreza ACT Xtreme Clutch Kits are high quality products guaranteeing superior functionality and efficiency! They afford a clamp load increase of 50% to 100% with moderate-to-stiff pedal feel, and many of these units are SFI-certified. **Key Features:** - Spline Size (Inches): 1 - Disc Type: Street Disc - Spline Count: 24 - Product Weight (lbs.): 18.2 - Torque Capacity (ft./lbs.): 590 - Moderate to heavy pedal effort, smooth positive engagement, OE to mild gear rattle, confidence during hard shifts - Longer friction life, extended by ACT's exclusive diaphragm design, dramatic improvement in release mechanism life - Carefully engineered, precisely assembled, accurately balanced, with premium organic friction materials for heat tolerance and reduced fade, major improvement in release mechanism - Recommended for street and race use - 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability, includes ACT's patented Monoloc SB10-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 higher copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs feature a reduced marcel for faster shift action to complement ACT pressure plates. Quiet operation with increased strength and reliability. Monoloc is a one-piece, direct replacement or upgrade to the standard, two-piece wedge collar and wire ring featured in pull-type clutches. The spring tension of the segmented retaining ring is carefully calculated and tested for optimal performance. It provides uniform loading on the bearing and pressure plate to assure proper alignment, regardless of driver influence or vehicle modifications. Monoloc's hardened chrome-moly steel construction will provide years of service. Since 1994, Advanced Clutch Technology has specialized in performance clutches and flywheels. All products are made from the highest quality materials and then necessarily tested to ensure they perform to the customers' expectations. ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2004 Subaru Impreza Trim: WRX STI; Engine: 2.5L 2005 Subaru Impreza Trim: WRX STI; Engine: 2.5L 2006 Subaru Impreza Trim: WRX STI; Engine: 2.5L 2007 Subaru Impreza Trim: WRX STI, WRX STI LIMITED; Engine: 2.5L 2008 Subaru Impreza Trim: WRX STI; Engine: 2.5L 2009 Subaru Impreza Trim: WRX STI; Engine: 2.5L 2010 Subaru Impreza Trim: WRX STI, WRX STI SPECIAL EDITION; Engine: 2.5L 2011 Subaru Impreza Trim: WRX STI, WRX STI LIMITED; Engine: 2.5L 2012 Subaru Impreza Trim: WRX STI, WRX STI LIMITED; Engine: 2.5L 2013 Subaru Impreza Trim: WRX STI, WRX STI LIMITED; Engine: 2.5L 2014 Subaru Impreza Trim: WRX STI, WRX STI LIMITED; Engine: 2.5L 2007 Subaru Legacy Trim: GT SPEC.B; Engine: 2.5L 2008 Subaru Legacy Trim: GT SPEC.B; Engine: 2.5L 2009 Subaru Legacy Trim: GT SPEC.B; Engine: 2.5L 2013 Subaru WRX Trim: STI; Engine: 2.5L 2014 Subaru WRX Trim: STI; Engine: 2.5L 2015 Subaru WRX Trim: STI; Engine: 2.5L 2016 Subaru WRX Trim: STI; Engine: 2.5L 2013 Subaru WRX STI Trim: BASE, Sport-Tech; Engine: 2.5L 2014 Subaru WRX STI Trim: BASE, Sport-Tech, TSURUGI EDITION; Engine: 2.5L 2015 Subaru WRX STI Trim: BASE, LIMITED, Launch Edition; Engine: 2.5L 2016 Subaru WRX STI Trim: BASE, LIMITED, Series.HyperBlue; Engine: 2.5L 2017 Subaru WRX STI Trim: BASE, LIMITED, SPORT, Sport-Tech; Engine: 2.5L 2018 Subaru WRX STI Trim: BASE, LIMITED, SPORT, STI, Sport-Tech, TYPE RA; Engine: 2.5L 2019 Subaru WRX STI Trim: BASE, LIMITED, S209, SPORT, STI, Sport-Tech; Engine: 2.5L 2020 Subaru WRX STI Trim: BASE, KANRAI EDITION, LIMITED, SPORT, STI, Sport-Tech; Engine: 2.5L 2021 Subaru WRX STI Trim: BASE, LIMITED, SPORT, STI, Sport-Tech; Engine: 2.5L ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase. **What part number is this?** The listed part number is SB10-XTSS. **Is this product designed for direct replacement?** Yes. This product is intended to match the compatible vehicle applications listed in the fitment table. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering. ### Common Searches - XT-M/Perf Street Sprung for Subaru Impreza - SB10-XTSS fitment - ACT XT-M/Perf Street Sprung - 2004–2014 Subaru Impreza XT-M/Perf Street Sprung - ACT SB10-XTSS replacement ## Details - **Price:** 2020.37 CAD - **Vendor:** ACT - **Type:** XT-M/Perf Street Sprung - **Tags:** 2004–2014 Subaru Impreza, ACT, Clutch, Clutch Disc, Flywheel, Performance Clutch, Pressure Plate, SB10-XTSS, XT-M/Perf Street Sprung ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 2020.37 CAD | In stock | ## Images - ACT SB10-XTSS XT-M/Perf Street Sprung for 2004–2014 Subaru Impreza --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/act-sb10-xtss-xt-m-perf-street-sprung) > Updated: 2026-10-16