Radium Catch Can Kit Pcv Subaru BRZ & Toyota GT-86 Radium Fuel Surge Tank Walbro F90000267/274 E85 Pump Not Included it is a dual stage

it is a dual stage design (located in the inlet and outlet)

Converts 6AN female to 8

User must supply their own pump

POWERFLEX FRONT UPPER ENGINE MOUNT (ROAD USE)

Radium Catch Can Kit Pcv Subaru BRZ & Toyota GT-86 Radium Fuel Surge Tank Walbro F90000267/274 E85 Pump Not Included it is a dual stageRadium Engineering oil catch can is essential 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. Radium Engineering catch cans feature large 10AN ORB ports, a 4AN ORB drain port, 2 step oil separation baffling, and an O ring sealed dipstick. FEATURES Less oil consumption effectively raises octane