Action Clutch Stage 5 (2MS) for 2004–2021 Subaru WRX STI (2.5L EJ257) is intended for mid-range power applications, featuring a dual clamp-load diaphragm plate, reinforced drive straps, and a sprung MIBA Ceramic disc. It delivers lightning-fast engagement and increased holding capacity for heavy track use while remaining usable for limited street driving after proper break-in.
Action Clutch 04-21 Subaru WRX STI 2.5L (EJ257) Turbo AWD Stage 5 Clutch Kit (2MS)