RADIUM Engineering

Air oil separator kit for the late model Subaru platforms. Includes all parts need to complete the installation. AOS is fully serviceable.This Part Fits:YearMakeModelSubmodel2015-2020SubaruWRX...

This air/oil separator is designed to collect crankcase gasses and allow collected oil to drain back into the engine via gravity. Gasses are then vented to the atmosphere out the top of the AOS VTA...

Bolt-in air/oil separator for the Gen 1 and Gen 2 BRZ/86. Allows collected oil to drain back into the oil pan. Cleaner induction air results in better performance.This Part...

Radium Engineering 2015+ Subaru WRX Air Oil Separator Kit (INCLUDES 20-0255)This Part Fits:YearMakeModelSubmodel2015-2017SubaruWRXBase2015-2017SubaruWRXLimited2015-2017SubaruWRXPremium

Universal air/oil separator. Designed to vent back into engine induction system for a closed system. Increased engine performance from cleaner inlet air. Prevents oil buildup. Lowers hydrocarbon...

Radium Engineering 02-07 Subaru WRX STI Air Oil Separator KitThis Part Fits:YearMakeModelSubmodel2002-2007SubaruImprezaWRX2006-2007SubaruImprezaWRX Limited2004-2007SubaruImprezaWRX...