{TAIL ~ A cam plate} is disposed in the engine housing and supported for {HEAD ~ rotation} about the longitudinal axis 
{ TAIL ~ A cam plate } is disposed in the engine housing and supported for { HEAD ~ rotation } about the longitudinal axis
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH