{TAIL ~ An air delivery passage} extends generally from the first end along said side to an intake passage leading through the engine to {HEAD ~ a combustion chamber} therein 
{ TAIL ~ An air delivery passage } extends generally from the first end along said side to an intake passage leading through the engine to { HEAD ~ a combustion chamber } therein
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH