AOS Drain/Crank Case Vent Line Kit - Mk5 Toyota Supra

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AOS Drain/Crank Case Vent Line Kit - Mk5 Toyota Supra

With the addition of our AOS Drain/CCV Line Kit, the AOS can be used for years of service-free life while ensuring the intake tract stays oil-free. By routing the crankcase vent through the AOS instead of going directly to the intake, the oil in the air is now captured by the AOS.

This is an optional addition, only those that want this function should purchase this add-on. The AOS works like a typical drain-style unit out of the box.


  • Pre-Cut 5/16" Hose, 20" (1)
  • AOS Drain Fitting (1)
  • -6AN ORB to 5/16" Hose Barb (1)
  • #014 Buna O-Ring (1)
  • 5/16" Rubber Plug (1)
  • Hose Clamp (3)
  • Zip Tie (2)


  • Automatically drains oil caught in the AOS back into the engine
  • Routes crankcase vent airflow through the AOS


  • Machined Aluminum Components
  • O-ring seals
  • Stainless Clamps
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