Made from investment cast aluminum with the EMPI logo cast in and polished ribs on black background. The finned design helps reduce upper cylinder head temperature and there is enough clearance for most high-lift rocker arms. These covers also have a boss cast in that can be drilled for venting to a breather box. The special Channel-Type seals and stud seals insure positive sealing. Complete with all gaskets and hardware.Valve Covers EMPI Channeled Bolt On Fits 1500cc & Up VW