Radium Dual Fluid Lock Catch Can Kit - Mitsubishi Evo 7-9 - Mitsubishi Evo 7-9An oil catch can is essential on a performance vehicle to protect the engine from elevated levels of crankcase blow by accumulated from aggressive driving. Excess oil saturated air circulating back into the air intake stream can lead to degraded performance. EVO 8 9 Catch Can Kit Details Radium Engineering offers several completely independent oil catch can kits for the Evo 8 9 that are sold individually or together using the menu above. All kits work