Exedy Stage 1 Heavy Duty Organic Disc Clutch Kit 2015+ Subaru STIExedy Heavy Duty Stage 1 Organic Disc Clutch Kit This is a great clutch option for those of you looking for a quality OEM replacement that is strong enough to handle mild bolt ons. This is the preferred clutch for street and light horsepower track use. Drivability is similar to the stock clutch. Pedal efforts will be slightly higher because of the higher clamp loads that the pressure plate provides. All Exedy clutch discs have spring center dampers to