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ACT Mod-Twin 225 HD Sprung Street Clutch Kit for 04-20 Subaru WRX STI

Designed for high-powered AWD street cars, the ACT Mod-Twin 225 HD Sprung Street Clutch Kit combines uncompromised pedal feel, durability, engagement quality, and very high torque capacity. This kit features a CNC-machined and dynamically balanced flywheel, pressure plate cover, diaphragm spring, face, puck-style ceramic friction plates, sprung Mono-Drive hub assembly, floater, patented Monoloc Collar, release bearing, alignment tool, and pilot bearing (if needed).

Key Features:

  • Soft progressive engagement, light pedal effort, smooth shifting with OE to mild transmission gear noise
  • Fully rebuildable and most components can be ordered separately
  • Exclusive four-stage heat treating process for consistent light pedal feel
  • Steel-backed Friction Plates with high-quality organic friction materials for stable friction coefficient, good heat capacity, and long clutch life
Make Model Year Type
Subaru Impreza 2004 WRX STI
Subaru Impreza 2005 WRX STI
Subaru Impreza 2006 WRX STI
Subaru Impreza 2007 WRX STI
Subaru Impreza 2007 WRX STI Limited
Subaru Impreza 2008 WRX STI
Subaru Impreza 2009 WRX STI
Subaru Impreza 2010 WRX STI
Subaru Impreza 2010 WRX STI Special Edition
Subaru Impreza 2011 WRX STI
Subaru Impreza 2011 WRX STI Limited
Subaru Impreza 2012 WRX STI
Subaru Impreza 2012 WRX STI Limited
Subaru Impreza 2013 WRX STI
Subaru Impreza 2013 WRX STI Limited
Subaru Impreza 2014 WRX STI
Subaru Impreza 2014 WRX STI Limited
Subaru WRX STI 2015 Base
Subaru WRX STI 2015 Launch Edition
Subaru WRX STI 2015 Limited
Subaru WRX STI 2016 Base
Subaru WRX STI 2016 Limited
Subaru WRX STI 2016 Series.HyperBlue
Subaru WRX STI 2017 Base
Subaru WRX STI 2017 Limited
Subaru WRX STI 2018 Base
Subaru WRX STI 2018 Limited
Subaru WRX STI 2018 Type RA
Subaru WRX STI 2019 Base
Subaru WRX STI 2019 Limited
Subaru WRX STI 2019 S209
Subaru WRX STI 2020 Base
Subaru WRX STI 2020 Limited
Subaru WRX STI 2021 Base
Subaru WRX STI 2021 Limited
Advanced Clutch Technology, Inc., since 1994, has specialized in performance clutches and flywheels for the sport compact, domestic, Euro, and diesel truck markets. ACT’s focus on customer service, quality and performance has earned it an unparalleled reputation in the aftermarket industry. All ACT product is thoroughly researched and tested prior to release to ensure they perform to the customers’ expectations. This commitment to excellence has resulted in providing racers with championship wins. These standards also ensure ACT’s street products provide the performance demanded.
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