When a hydraulic valve lifter is desired, {TAIL ~ the extrusion punch} 18 merely has a rounded end portion instead of {HEAD ~ the protrusion} 19 
When a hydraulic valve lifter is desired , { TAIL ~ the extrusion punch } 18 merely has a rounded end portion instead of { HEAD ~ the protrusion } 19
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH