a variable valve lift mechanism which increases a lift of the intake valve while delaying {TAIL ~ the closing timing} of {HEAD ~ the intake valve} at least, 
a variable valve lift mechanism which increases a lift of the intake valve while delaying { TAIL ~ the closing timing } of { HEAD ~ the intake valve } at least ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH