These aluminum push-in breathers from Procomp Electronics are just the thing to prevent oil splash while adding some style. They are available in plain and ball milled designs to best suit your tastes and match your ride. Procomp Electronics breathers keep your crankcase properly vented and add a little shine under the hood.They are available in a wide variety of styles for many applications and have a 2-piece design provides easy access to their washable filter.