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The Ironman Sprung (Street) kit for 2004–2021 Subaru WRX STI (2.5L EJ257) combines American sintered iron with a dual clamp-load pressure plate and sprung design to provide a balance of aggressive holding capacity and somewhat moderated engagement. It targets high-powered applications where strength and reliability under load are essential, with the expectation of race-oriented use.
Action Clutch 04-21 Subaru WRX STI 2.5L (EJ257) Turbo AWD Ironman Sprung (Street) Clutch Kit
