Action Clutch Stage 3 (1MS) Clutch Kit for Subaru WRX STI 2004-2021 – Heavy Duty Performance Upgrade

Description

Upgrade your Subaru WRX STI with the Action Clutch Stage 3 (1MS) Clutch Kit, designed for drivers seeking maximum control and durability under demanding conditions. This kit features a heavy-duty single diaphragm pressure plate that delivers consistent engagement and increased holding capacity, making it ideal for street use as well as occasional drag, road, or drift racing. The reinforced drive straps ensure enhanced strength and longevity, supporting the high torque demands of modified engines. The Sprung MIBA Ceramic disc, available in 4 or 6 puck configurations, provides quicker engagement while maintaining smooth operation, though some clutch chatter may occur after proper break-in.

Action Clutch prioritizes safety and reliability, which is why this kit utilizes patented, fully enclosed spring retainers to prevent spring pop-out, safeguarding your transmission and engine components. Each kit undergoes rigorous quality inspection by experienced engineers with over 60 years of collective expertise, ensuring consistent performance and peace of mind. The Stage 3 (1MS) clutch kit offers approximately 170% increased holding capacity over factory components, empowering your vehicle to handle increased power with minimal compromise on reliability.

Designed specifically for 2004-2021 Subaru Impreza WRX STI models equipped with the 2.5L DOHC EJ257 turbocharged engine, this clutch kit is a direct fit for models from 2004 through 2021, including 2005 and 2007 Subaru Impreza variants. Whether you’re building a street beast or a track-ready machine, this clutch kit provides the robust performance needed to push your vehicle to the next level, backed by quality and safety features that ensure dependable operation over many miles.

Features:

• Heavy-duty single diaphragm pressure plate for consistent engagement and increased torque capacity

• Reinforced drive straps for enhanced durability and longevity

• Sprung MIBA Ceramic disc available in 4 or 6 puck configurations for quicker engagement

• Patented fully enclosed spring retainers to prevent spring pop-out and ensure safety

• Approximately 170% increased holding capacity over factory clutch kits for high-performance applications

Fitment:
Subaru Impreza 2.5 GT 2009
Subaru Impreza 2.5 GT 2010
Subaru Impreza 2.5i 2006
Subaru Impreza 2.5i 2007
Subaru Impreza 2.5i 2008
Subaru Impreza 2.5i 2009
Subaru Impreza 2.5i 2010
Subaru Impreza 2.5i 2011
Subaru Impreza 2.5i Premium 2010
Subaru Impreza 2.5i Premium 2011
Subaru Impreza Outback 2004
Subaru Impreza Outback Sport 2005
Subaru Impreza Outback Sport 2006
Subaru Impreza Outback Sport 2007
Subaru Impreza Outback Sport 2008
Subaru Impreza Outback Sport 2009
Subaru Impreza Outback Sport 2010
Subaru Impreza Outback Sport 2011
Subaru Impreza RS 2004
Subaru Impreza RS 2005
Subaru Impreza TS 2004
Subaru Impreza WRX 2004
Subaru Impreza WRX 2005
Subaru Impreza WRX 2006
Subaru Impreza WRX 2007
Subaru Impreza WRX 2008
Subaru Impreza WRX 2009
Subaru Impreza WRX 2010
Subaru Impreza WRX 2011
Subaru Impreza WRX Limited 2006
Subaru Impreza WRX Limited 2007
Subaru Impreza WRX Limited 2010
Subaru Impreza WRX Limited 2011
Subaru Impreza WRX Premium 2009
Subaru Impreza WRX Premium 2010
Subaru Impreza WRX Premium 2011
Subaru Impreza WRX STI 2004
Subaru Impreza WRX STI 2005
Subaru Impreza WRX STI 2006
Subaru Impreza WRX STI 2007
Subaru Impreza WRX STI 2008
Subaru Impreza WRX STI 2009
Subaru Impreza WRX STI 2010
Subaru Impreza WRX STI 2011
Subaru Impreza WRX STI Limited 2007
Subaru Impreza WRX STI Limited 2011
Subaru Impreza WRX STI Special Edition 2010
Subaru Impreza WRX TR 2006
Subaru Impreza WRX TR 2007
Subaru WRX Base 2015
Subaru WRX Base 2016
Subaru WRX Limited 2015
Subaru WRX Limited 2016
Subaru WRX Premium 2015
Subaru WRX Premium 2016