K&N Vent Filter F16mm x D51mm x H38mmK&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62 1340 crankcase vent filter has a K&N embossed chrome plated steel top with a black rubber base. The 5 8 inch diameter zinc tube is designed to push in and clamp directly on to metal or plastic tubing where venting is needed. Constructed with a synthetic filter media it can be cleaned and