Together, cylinder head lower wall 16 and {TAIL ~ piston upper portion} 18 define a combustion chamber 19 for {HEAD ~ each respective cylinder} 12 
Together , cylinder head lower wall 16 and { TAIL ~ piston upper portion } 18 define a combustion chamber 19 for { HEAD ~ each respective cylinder } 12
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH