{TAIL ~ Cylinder head} 15 also houses {HEAD ~ intake and exhaust valves} 8 which allow fuel mixture to enter and exhaust gases to exit combustion chamber 19 
{ TAIL ~ Cylinder head } 15 also houses { HEAD ~ intake and exhaust valves } 8 which allow fuel mixture to enter and exhaust gases to exit combustion chamber 19
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH