Action Clutch Stage 4 (1MD) clutch kit for 2006–2014 Subaru WRX 2.5L (EJ255) turbo AWD targets dedicated race vehicles seeking quicker engagement and durability. Featuring an Unsprung MIBA Ceramic disc (4 or 6 puck option), reinforced drive straps and a heavy‑duty single‑diaphragm pressure plate, it prioritizes on/off response and torque holding. Expect some chatter during break‑in; each kit is quality checked and signed off by experienced engineers.
Action Clutch 06-14 Subaru WRX 2.5L (EJ255) Turbo AWD Stage 4 Clutch Kit (1MD)