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ACT Clutch Kit Subaru WRX STI 2.5L (2004-2021) Mod Twin Disc - Heavy Duty/Xtreme Duty / Maxx Xtreme Rigid Street/Race

ACT Clutch Kit Subaru WRX STI 2.5L (2004-2021) Mod Twin Disc - Heavy Duty/Xtreme Duty / Maxx Xtreme Rigid Street/Race

Fitment Information

  • Subaru WRX STI Base 2.5L H4 (2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021)
  • Subaru WRX STI Launch Edition 2.5L H4 (2015)
  • Subaru WRX STI Limited 2.5L H4 (2007, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021)
  • Subaru WRX STI S209 2.5L H4 (2019)
  • Subaru WRX STI Series.HyperBlue 2.5L H4 (2016)
  • Subaru WRX STI Special Edition 2.5L H4 (2010)
  • Subaru WRX STI Sport 2.5L H4 (2017, 2018, 2019, 2020, 2021)
  • Subaru WRX STI Sport-tech 2.5L H4 (2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021)
  • Subaru WRX STI Tsurugi Edition 2.5L H4 (2014)
  • Subaru WRX STI Type RA 2.5L H4 (2018)
  • Subaru WRX STI 2.5L H4 (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2018, 2019, 2020)

Specs & Features

  • Mod-Twin 225 Heavy Duty Rigid Race - T1R-S07
    • Torque Capacity (ft/lbs.): 895 - Torque Capacity is measured at the Engine/Crank
    • Torque Capacity Over OE: 152%
    • Disc Material: Ceramic
    • Clutch Disc Diameter (Inches): 8.8
    • Clutch Disc Diameter (Millimeters): 225
    • Input Shaft Diameter (inches): 1
    • Pressure Plate Type: Heavy Duty
    • SFI: 1.2
  • Mod-Twin 225 HD Rigid Street - T1S-S07
    • Torque Capacity (ft/lbs.): 700 - Torque Capacity is measured at the Engine/Crank
    • Torque Capacity Over OE: 97%
    • Disc Material: Organic
    • Clutch Disc Diameter (Inches): 8.8
    • Clutch Disc Diameter (Millimeters): 225
    • Input Shaft Diameter (inches): 1
    • Pressure Plate Type: Heavy Duty
    • SFI: 1.2
  • Mod-Twin 225 XT Rigid Race - T2R-S07
    • Torque Capacity (ft/lbs.): 1120 - Torque Capacity is measured at the Engine/Crank
    • Torque Capacity Over OE: 214%
    • Disc Material: Ceramic
    • Clutch Disc Diameter (Inches): 8.8
    • Clutch Disc Diameter (Millimeters): 225
    • Input Shaft Diameter (inches): 1
    • Pressure Plate Type: Xtreme
    • SFI: 1.2
  • Mod-Twin 225 XT Rigid Street - T2S-S07
    • Torque Capacity (ft/lbs.): 875 - Torque Capacity is measured at the Engine/Crank
    • Torque Capacity Over OE: 146%
    • Disc Material: Organic
    • Clutch Disc Diameter (Inches): 8.8
    • Clutch Disc Diameter (Millimeters): 225
    • Input Shaft Diameter (inches): 1
    • Pressure Plate Type: Xtreme
    • SFI: 1.2
  • Mod-Twin 225 Maxx Xtreme Rigid Race - T3R-S07
    • Torque Capacity (ft/lbs.): 1340 - Torque Capacity is measured at the Engine/Crank
    • Torque Capacity Over OE: 275%
    • Disc Material: Ceramic
    • Clutch Disc Diameter (Inches): 8.8
    • Clutch Disc Diameter (Millimeters): 225
    • Input Shaft Diameter (inches): 1
    • Pressure Plate Type: Maxx Xtreme
    • SFI: 1.2

    Product Description

    Upgrade your high-performance AWD vehicle with ACT's Mod-Twin 225 Clutch Kit, engineered for ultimate durability and precision. Combining twice the ceramic or organic friction surfaces with a rigid Mono-Drive hub, this modular design ensures aggressive launches and rapid shifts, whether on the street or the track. Enduring an exclusive four-stage heat treating process, each diaphragm spring delivers consistent pedal feel and torque transfer, while the lightweight construction allows for seamless, trouble-free service. With CNC-machined components and advanced materials, including puck-style friction plates, chrome-moly hub, and patented Monoloc Collar, this kit guarantees superior performance and longevity. Experience smoother engagement, quicker shifts, and enhanced driving dynamics with ACT's Mod-Twin 225 Clutch Kit – your ultimate solution for high-powered AWD vehicles.

    • Feel
      • Mod-Twin 225 Heavy Duty Rigid Race  / XT Rigid Race 
        • Experience a predictable and aggressive engagement with light pedal effort, allowing for quick shifting. While there may be some start-off judder with OE to mild transmission gear noise, overall performance is optimized.
      • Mod-Twin 225 HD Rigid Street  / XT Rigid Street 
        • Enjoy a soft, progressive engagement with light pedal effort, ensuring smooth shifting while minimizing transmission gear noise from OE to mild levels.
      • Mod-Twin 225 Maxx Xtreme Rigid Race 
        • Experience predictable aggressive engagement with increased pedal effort for smooth shifting. Note: Possible start-off judder with OE to mild transmission gear noise.
    • Life - Built with a forged aluminum cover, mono-drive hub, exclusive diaphragm, premium friction materials, and hardened wear points, ensuring durability and longevity even under the most demanding conditions.
    • Quality - Designed to deliver maximum performance and high heat tolerance through a robust design, strategic features, choice materials, and close tolerances, guaranteeing reliability in every race.
    • Recommended Use
      • Mod-Twin 225 Heavy Duty Rigid Race / XT Rigid Race  / Maxx Xtreme Rigid Race 
        • Ideal for drag, road, or rally racing, providing exceptional performance across various racing disciplines.
      • HD Rigid Street  / XT Rigid Street 
        • Perfect for street driving or street/strip applications, offering versatility for various driving scenarios.
    • ACT Difference - ACT applies tactical engineering to the MOD-TWIN, offering unique solutions to common tradeoffs found on twin disc clutches. The result is an ultra-durable, customer serviceable, long-lasting clutch with very high torque capacity. All clutches are 100% clamp load tested, balanced, and SFI certified.
    Select Configuration
    From $563.40

    Original: $1,878.00

    -70%
    ACT Clutch Kit Subaru WRX STI 2.5L (2004-2021) Mod Twin Disc - Heavy Duty/Xtreme Duty / Maxx Xtreme Rigid Street/Race—

    $1,878.00

    $563.40
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    Description

    Fitment Information

    • Subaru WRX STI Base 2.5L H4 (2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021)
    • Subaru WRX STI Launch Edition 2.5L H4 (2015)
    • Subaru WRX STI Limited 2.5L H4 (2007, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021)
    • Subaru WRX STI S209 2.5L H4 (2019)
    • Subaru WRX STI Series.HyperBlue 2.5L H4 (2016)
    • Subaru WRX STI Special Edition 2.5L H4 (2010)
    • Subaru WRX STI Sport 2.5L H4 (2017, 2018, 2019, 2020, 2021)
    • Subaru WRX STI Sport-tech 2.5L H4 (2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021)
    • Subaru WRX STI Tsurugi Edition 2.5L H4 (2014)
    • Subaru WRX STI Type RA 2.5L H4 (2018)
    • Subaru WRX STI 2.5L H4 (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2018, 2019, 2020)

    Specs & Features

    • Mod-Twin 225 Heavy Duty Rigid Race - T1R-S07
      • Torque Capacity (ft/lbs.): 895 - Torque Capacity is measured at the Engine/Crank
      • Torque Capacity Over OE: 152%
      • Disc Material: Ceramic
      • Clutch Disc Diameter (Inches): 8.8
      • Clutch Disc Diameter (Millimeters): 225
      • Input Shaft Diameter (inches): 1
      • Pressure Plate Type: Heavy Duty
      • SFI: 1.2
    • Mod-Twin 225 HD Rigid Street - T1S-S07
      • Torque Capacity (ft/lbs.): 700 - Torque Capacity is measured at the Engine/Crank
      • Torque Capacity Over OE: 97%
      • Disc Material: Organic
      • Clutch Disc Diameter (Inches): 8.8
      • Clutch Disc Diameter (Millimeters): 225
      • Input Shaft Diameter (inches): 1
      • Pressure Plate Type: Heavy Duty
      • SFI: 1.2
    • Mod-Twin 225 XT Rigid Race - T2R-S07
      • Torque Capacity (ft/lbs.): 1120 - Torque Capacity is measured at the Engine/Crank
      • Torque Capacity Over OE: 214%
      • Disc Material: Ceramic
      • Clutch Disc Diameter (Inches): 8.8
      • Clutch Disc Diameter (Millimeters): 225
      • Input Shaft Diameter (inches): 1
      • Pressure Plate Type: Xtreme
      • SFI: 1.2
    • Mod-Twin 225 XT Rigid Street - T2S-S07
      • Torque Capacity (ft/lbs.): 875 - Torque Capacity is measured at the Engine/Crank
      • Torque Capacity Over OE: 146%
      • Disc Material: Organic
      • Clutch Disc Diameter (Inches): 8.8
      • Clutch Disc Diameter (Millimeters): 225
      • Input Shaft Diameter (inches): 1
      • Pressure Plate Type: Xtreme
      • SFI: 1.2
    • Mod-Twin 225 Maxx Xtreme Rigid Race - T3R-S07
      • Torque Capacity (ft/lbs.): 1340 - Torque Capacity is measured at the Engine/Crank
      • Torque Capacity Over OE: 275%
      • Disc Material: Ceramic
      • Clutch Disc Diameter (Inches): 8.8
      • Clutch Disc Diameter (Millimeters): 225
      • Input Shaft Diameter (inches): 1
      • Pressure Plate Type: Maxx Xtreme
      • SFI: 1.2

      Product Description

      Upgrade your high-performance AWD vehicle with ACT's Mod-Twin 225 Clutch Kit, engineered for ultimate durability and precision. Combining twice the ceramic or organic friction surfaces with a rigid Mono-Drive hub, this modular design ensures aggressive launches and rapid shifts, whether on the street or the track. Enduring an exclusive four-stage heat treating process, each diaphragm spring delivers consistent pedal feel and torque transfer, while the lightweight construction allows for seamless, trouble-free service. With CNC-machined components and advanced materials, including puck-style friction plates, chrome-moly hub, and patented Monoloc Collar, this kit guarantees superior performance and longevity. Experience smoother engagement, quicker shifts, and enhanced driving dynamics with ACT's Mod-Twin 225 Clutch Kit – your ultimate solution for high-powered AWD vehicles.

      • Feel
        • Mod-Twin 225 Heavy Duty Rigid Race  / XT Rigid Race 
          • Experience a predictable and aggressive engagement with light pedal effort, allowing for quick shifting. While there may be some start-off judder with OE to mild transmission gear noise, overall performance is optimized.
        • Mod-Twin 225 HD Rigid Street  / XT Rigid Street 
          • Enjoy a soft, progressive engagement with light pedal effort, ensuring smooth shifting while minimizing transmission gear noise from OE to mild levels.
        • Mod-Twin 225 Maxx Xtreme Rigid Race 
          • Experience predictable aggressive engagement with increased pedal effort for smooth shifting. Note: Possible start-off judder with OE to mild transmission gear noise.
      • Life - Built with a forged aluminum cover, mono-drive hub, exclusive diaphragm, premium friction materials, and hardened wear points, ensuring durability and longevity even under the most demanding conditions.
      • Quality - Designed to deliver maximum performance and high heat tolerance through a robust design, strategic features, choice materials, and close tolerances, guaranteeing reliability in every race.
      • Recommended Use
        • Mod-Twin 225 Heavy Duty Rigid Race / XT Rigid Race  / Maxx Xtreme Rigid Race 
          • Ideal for drag, road, or rally racing, providing exceptional performance across various racing disciplines.
        • HD Rigid Street  / XT Rigid Street 
          • Perfect for street driving or street/strip applications, offering versatility for various driving scenarios.
      • ACT Difference - ACT applies tactical engineering to the MOD-TWIN, offering unique solutions to common tradeoffs found on twin disc clutches. The result is an ultra-durable, customer serviceable, long-lasting clutch with very high torque capacity. All clutches are 100% clamp load tested, balanced, and SFI certified.