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.