Air/Oil Separator O-ring Rebuild Kit For Subaru GrimmSpeed

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.

• (6) O-rings Included: (1) Large for the bottom of the body, (1) for the inner Seal of the core to the body, (1) for the top core to body seal, and (3) fitting seals.