An actuator is provided for moving the check along an axial path between a sealing position wherein the sealing portion of the check is in contact with the valve seat and isolates the injector nozzle orifice from the injector inlet and {HEAD ~ an open position} wherein {TAIL ~ the sealing portion} is spaced from the valve seat to place the injector nozzle orifice in fluid communication with the injector inlet 
An actuator is provided for moving the check along an axial path between a sealing position wherein the sealing portion of the check is in contact with the valve seat and isolates the injector nozzle orifice from the injector inlet and { HEAD ~ an open position } wherein { TAIL ~ the sealing portion } is spaced from the valve seat to place the injector nozzle orifice in fluid communication with the injector inlet
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