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