Verus Engineering AOS Drain Kit Toyota GR86/Subaru BRZ 2022 | A0429A

By using our add-on AOS Drain Kit, the AOS can be used for years of service-free life. No need to drain, open it up, or do anything but drive the car! This is optional, only those that want this function should purchase this add-on. The AOS works like a typical drain style unit out of the box. Included: 0.5 Inch Wye Adapter 0.5 Inch PCV hose 0.5 Inch Adapter Drain Valve Buna O-Ring Features: Automatically drains oil caught in the AOS back into the engine Plastic Wye Gates PCV hose Mad