{HEAD ~ an injector bore} including a guide bore section defined by a guide wall, a tip bore section defined by a tip wall and {TAIL ~ a conical valve seat} disposed between the guide wall and the tip wall, 
{ HEAD ~ an injector bore } including a guide bore section defined by a guide wall , a tip bore section defined by a tip wall and { TAIL ~ a conical valve seat } disposed between the guide wall and the tip wall ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH