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 emissions
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...
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 STI<
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...