Air Oil Separator Complete Install Kit

This complete install kit includes all the necessary components to mount or refresh your Crawford Performance air oil separator for proper engine oil circulation. Designed for a range of compatible canisters and vehicle applications, it provides brackets, clamps, and hardware for a clean, reliable installation.

New to the AOS? Why your Subaru needs an Air/Oil Separator.

If the engine's already hurt, an AOS won't fix it. Start with the engine guide, then see your block options.