Come on, do you really think Honda would stick something in that head if it didn't need to be there? Those extra lobes do the same thing that any other camshaft lobes do-make valves go up and down ...
About Tanaka Seimitsu Kogyo Co. Ltd. Tanaka Seimitsu Kogyo Co., Ltd. engages in the manufacture and sale of automobile and motorcycle parts. Its products include VTEC rocker arm ASSY, synchronizer ...