{TAIL ~ Cylinder head} 15 has a lower wall 16 seated on block upper wall 13 with {HEAD ~ a standard engine headgasket} 9 located therebetween 
{ TAIL ~ Cylinder head } 15 has a lower wall 16 seated on block upper wall 13 with { HEAD ~ a standard engine headgasket } 9 located therebetween
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH