Radium PCV Fluid Lock Catch Can Kit, Subaru WRX VB (2022+)The Radium Engineering 20 0754 FL PCV Fluid Lock Catch Can Kit is a purpose built positive crankcase ventilation solution for the Subaru WRX VB (2022+). Running inline between the PCV valve and the intake manifold, this kit intercepts oil saturated crankcase vapour before it re enters the engine protecting the FA24F engine from oil contamination during idle, cruise, and deceleration. The catch can mounts to threaded bosses on the ABS unit using