a variable valve timing mechanism which variably controls the opening and closing timings of the intake valve by changing a phase between {TAIL ~ a crankshaft} of {HEAD ~ the internal combustion engine} and an intake camshaft 
a variable valve timing mechanism which variably controls the opening and closing timings of the intake valve by changing a phase between { TAIL ~ a crankshaft } of { HEAD ~ the internal combustion engine } and an intake camshaft
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH