K&N Steel Base Crankcase Vent Filters have a one piece design with a rubber or chrome top and a vent tube added to the base. Filters can be pressed into rubber grommets in valve covers for direct mounting. All base plates are chrome plated. Tubes are made of zinc ! ------------------------- Item : Crankcase Vent Filter K&N # : 62-1090 Contents : 1 Filter (incl. Filter Oil)