{HEAD ~ The present invention} relates to a chain case structure for an engine, and more particularly, to {TAIL ~ a chain case structure} for an engine equipped with hydraulic control valves of a variable valve actuation mechanism 
relates particularly to
{ HEAD ~ The present invention } relates to a chain case structure for an engine , and more particularly , to { TAIL ~ a chain case structure } for an engine equipped with hydraulic control valves of a variable valve actuation mechanism
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH