The ACT SB12-XTSS kit features an Xtreme pressure plate for the most demanding driver, paired with ACT's most popular Performance Street disc, for the Subaru WRX (excluding STI) and related turbo Subaru platform vehicles. ACT Xtreme pressure plates use an exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life, with every diaphragm heat-treated in a four-stage process. Precision cover stampings provide rigidity and consistency. The Performance Street disc features premium organic materials with high copper content for better heat transfer and a steel-backed lining for greater burst strength and durability, with reduced marcel for faster shift action and quiet operation.
WarrantyInstallation Instructions
Specifications:
- Kit Contents: Xtreme pressure plate + Performance Street sprung disc
- Part Number: SB12-XTSS
"Excellence in Performance", backed by the best one-year warranty in the industry.
Vehicle Applications:
| Year | Make | Model | Trim |
|---|---|---|---|
| 2006 | Subaru | Baja | Turbo |
| 2008 | Subaru | Forester | Sports 2.5 XT |
| 2006 | Subaru | Forester | XT Limited |
| 2007 | Subaru | Forester | XT Limited |
| 2008 | Subaru | Forester | XT Limited |
| 2006 | Subaru | Impreza | WRX |
| 2007 | Subaru | Impreza | WRX |
| 2008 | Subaru | Impreza | WRX |
| 2009 | Subaru | Impreza | WRX |
| 2010 | Subaru | Impreza | WRX |
| 2011 | Subaru | Impreza | WRX |
| 2012 | Subaru | Impreza | WRX |
| 2013 | Subaru | Impreza | WRX |
| 2014 | Subaru | Impreza | WRX |
| 2006 | Subaru | Impreza | WRX Limited |
| 2007 | Subaru | Impreza | WRX Limited |
| 2010 | Subaru | Impreza | WRX Limited |
| 2011 | Subaru | Impreza | WRX Limited |
| 2012 | Subaru | Impreza | WRX Limited |
| 2013 | Subaru | Impreza | WRX Limited |
| 2014 | Subaru | Impreza | WRX Limited |
| 2009 | Subaru | Impreza | WRX Premium |
| 2010 | Subaru | Impreza | WRX Premium |
| 2011 | Subaru | Impreza | WRX Premium |
| 2012 | Subaru | Impreza | WRX Premium |
| 2013 | Subaru | Impreza | WRX Premium |
| 2014 | Subaru | Impreza | WRX Premium |
| 2006 | Subaru | Impreza | WRX TR |
| 2007 | Subaru | Impreza | WRX TR |
| 2010 | Subaru | Legacy | 2.5GT |
| 2011 | Subaru | Legacy | 2.5GT |
| 2012 | Subaru | Legacy | 2.5GT |
| 2005 | Subaru | Legacy | GT |
| 2006 | Subaru | Legacy | GT |
| 2005 | Subaru | Legacy | GT Limited |
| 2007 | Subaru | Legacy | GT Limited |
| 2008 | Subaru | Legacy | GT Limited |
| 2009 | Subaru | Legacy | GT Limited |
| 2006 | Subaru | Legacy | GT spec.B |
| 2007 | Subaru | Legacy | GT spec.B |
| 2008 | Subaru | Legacy | GT spec.B |
| 2009 | Subaru | Legacy | GT spec.B |
| 2005 | Subaru | Outback | XT |
| 2006 | Subaru | Outback | XT |
| 2005 | Subaru | Outback | XT Limited |
| 2006 | Subaru | Outback | XT Limited |
| 2007 | Subaru | Outback | XT Limited |
| 2008 | Subaru | Outback | XT Limited |
| 2009 | Subaru | Outback | XT Limited |
| 2015 | Subaru | WRX | Base |
| 2016 | Subaru | WRX | Base |
| 2017 | Subaru | WRX | Base |
| 2018 | Subaru | WRX | Base |
| 2019 | Subaru | WRX | Base |
| 2020 | Subaru | WRX | Base |
| 2021 | Subaru | WRX | Base |
| 2022 | Subaru | WRX | Base |
| 2023 | Subaru | WRX | Base |
| 2024 | Subaru | WRX | Base |
| 2015 | Subaru | WRX | Limited |
| 2016 | Subaru | WRX | Limited |
| 2017 | Subaru | WRX | Limited |
| 2018 | Subaru | WRX | Limited |
| 2019 | Subaru | WRX | Limited |
| 2020 | Subaru | WRX | Limited |
| 2021 | Subaru | WRX | Limited |
| 2022 | Subaru | WRX | Limited |
| 2023 | Subaru | WRX | Limited |
| 2024 | Subaru | WRX | Limited |
| 2025 | Subaru | WRX | Limited |
| 2015 | Subaru | WRX | Premium |
| 2016 | Subaru | WRX | Premium |
| 2017 | Subaru | WRX | Premium |
| 2018 | Subaru | WRX | Premium |
| 2019 | Subaru | WRX | Premium |
| 2020 | Subaru | WRX | Premium |
| 2021 | Subaru | WRX | Premium |
| 2022 | Subaru | WRX | Premium |
| 2023 | Subaru | WRX | Premium |
| 2024 | Subaru | WRX | Premium |
| 2025 | Subaru | WRX | Premium |
| 2024 | Subaru | WRX | TR |
| 2025 | Subaru | WRX | TS |
Frequently Asked Questions
What vehicles does the ACT SB12-XTSS clutch kit fit?
The SB12-XTSS fits the Subaru WRX platform (excluding STI) along with related turbo Subaru models including the Baja Turbo, Forester XT, Impreza WRX, Legacy GT/2.5GT, and Outback XT across model years 2005-2025. See the Vehicle Applications table above for exact year, model, and trim coverage.
What does the SB12-XTSS kit include?
It includes ACT's Xtreme pressure plate paired with the Performance Street sprung disc, ACT's most popular street disc.
How does the Xtreme pressure plate compare to the Heavy Duty pressure plate?
ACT's Xtreme pressure plates are built for the most demanding drivers, using the same four-stage heat-treated diaphragm design as the Heavy Duty line to increase clamp load, reduce deflection, and maximize clutch life.
Is there a California Prop 65 warning for this product?
No Prop 65 language is listed in the manufacturer data for this part number.