A device for changing the timing of {HEAD ~ valves} in {TAIL ~ an internal combustion engine} which includes a crankshaft coupled component and a camshaft coupled component is provided 
A device for changing the timing of { HEAD ~ valves } in { TAIL ~ an internal combustion engine } which includes a crankshaft coupled component and a camshaft coupled component is provided
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH