Action Clutch Stage 3 (1MS) clutch kit with lightweight flywheel for 2018–2021 Subaru WRX 2.0L (FA20DIT) turbo AWD pairs a Sprung MIBA Ceramic disc and heavy‑duty diaphragm pressure plate with a lightened flywheel for quicker engine response and stronger clamp. Intended for heavy‑duty street and occasional track use, the kit may exhibit some break‑in chatter and is inspected and signed off by experienced engineers.
Action Clutch 18-21 Subaru WRX 2.0L (FA20DIT) Turbo AWD Stage 3 Clutch (1MS) w/Lightened Flywheel