GrimmSpeed Air/Oil Separator Rebuild Kit 2002-2014 WRX / 2004-2021 STI / 2004-2013 Forester XT / 2005-2009 Legacy GT

Hardcore heat cycles or repetitive removal can over time wear on the O-rings in the AOS. Maybe you like the peace of mind or have a show car you always want in perfect condition, this rebuild kit will get you all sealed up! It comes with all necessary O-rings for a full replacement.

WHAT'S INCLUDED:

• 1x Large O-ring for the bottom of the body
• 1x O-ring for the inner seal of the core to the body
• 1x O-ring for the top core to body seal
• 3x Fitting O-rings