Radium Fluid Lock Catch Can Kit PCV Side - Subaru BRZ/Toyota 86Radium Fluid Lock Catch Can Kit PCV Side Subaru BRZ Toyota 86 Scion FR S An oil catch can is essential to protect the engine from elevated levels of crankcase blow by accumulated during aggressive driving. Excess oil saturated air circulating back into the intake stream degrades performance, promotes sludge buildup, and reduces engine longevity. This kit covers the PCV (positive crankcase ventilation) circuit on the Subaru BRZ, Toyota 86, and Scion FR