in-line injection pump with RQV flyweight governor function of the RQV governor (variable- speed governor) displacement of the piston rod torsion of all pump plungers by turning the camshaft one can see the stroke of all pump plungers function of the pressure valves description ordernumber 1145 see also: Cummins Pump injector for engines with direct petrol injection (GDI) two-stage carburetor 1B2E geared Pump