nozzle holder with two-spring injection nozzle and needle-displacement sensor function of the nozzle holder, nozzle, nozzle needle, pressure pin and pressure spring. function of the inlet and outlet ducts. Detection of start of injection by a coil. description ordernumber 1176 see also: Common-rail injection crankshaft model case distributor-type fuel-injection pump with electronic governor two-stage turbocharger (bi-turbo)