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