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