Action Clutch Flywheel - Chromoly

Action Clutch Flywheel - Chromoly for 2004–2021 Subaru WRX STI (EJ257) Upgrade throttle response, rev speed, and drivetrain feel with the Action Clutch Chromoly Lightweight Flywheel engineered specifically for the 2.5L EJ257 turbo AWD Subaru WRX STI (2004–2021). This precision-machined flywheel is made from high-strength chromoly steel to deliver reduced rotational mass without sacrificing durability. The result: faster revs, crisper shifts, and improved acceleration while maintaining reliable performance under street and track conditions. Material: Heat-treated chromoly for exceptional strength and fatigue resistance Fitment: Direct OEM fit for Subaru WRX STI 2.5L (EJ257) model years 2004–2021 Benefits: Lowered inertia for quicker engine response, improved clutch engagement, and smoother downshifts Applications: Ideal for performance street use, weekend track, and modified turbo builds Quality: Precision balanced and machined to factory mounting spec for reliable installation Choose the Action Clutch Chromoly Flywheel to unlock sharper power delivery and a more connected driving experience while retaining the durability needed for spirited driving.