the Shortie does not need an O-ring between the body and piston is to seal the BOV

Dual outlet-type BOV designed specifically for the Subaru 98-00 Forester and MY99 WRX

Clutch Disc Spline Diameter (mm)

like the standard valve

Xtreme Performance - 200mm Rigid Ceramic Twin Plate Clutch Kit Incl Flywheel 1200Nm KTY20530-2E SL-04 the Shortie does not needXtreme Motorsport 200mm twin plate The Xtreme 200mm Race Clutch was developed with a focus on those interested in a cost effective alternative compared to other race style clutch kits on the market but without having to compromise on quality. The 200mm Race Clutch Kits consist of a Billet Flywheel, Solid centered Ceramic Clutch Plates, Cover assembly, Thrust Bearing & Carrier or the Internal Concentric Slave Cylinder (CSC). Product Features: Torque