These crank­case breather filters mount easily, look great and helps keep foreign material out of the bottom end. Especially helpful when installing aftermarket air cleaners that don't have breather fittings. The Deluxe model comes complete with chrome mounting bracket, replaceable filter assembly with chrome end cap, and hose clamp. An economy filter with black end cap is also available. Fits all Harley models with 3/8" crankcase breather hose. Also usable for many custom applications.