AOS Drain Kit - Subaru EJ 2.5L Motors

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AOS Drain Kit - Subaru EJ 2.5L Motors

By using our add-on AOS Drain Kit, the AOS can be used for years of service-free life.

There is no longer the need to drain, open up the unit, 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.


      • Pre-Cut 1/2" Hose, 38"
      • 3/4"x1/2"x1/2" T Adapter Fittings (1)
      • 6AN ORB to 1/2" Hose Barb (1)
      • AOS Drain Fitting (1)
      • #014 Buna O-Ring (1)
      • Zip tie (4)


      • Automatically Drains Oil Caught in the AOS Back into the Engine
      • Maintenance Free Oil Separation


      • CNC Machined Aluminum and Anodized Fittings
      • 1/2" Rubber Hose

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