Unified Petrol Pump SU dual Polarity (UD22715FC)This is the modern electronic (Solid state) negative earth SU fuel pump that was fitted as standard to all Rolls Royce Silver Shadow models. It does not contain the traditional points and so can be more reliable whilst providing a more consistent pressure. It is now supplied as the pump for all cars from 1945 to 1965 but if your car has not already been modified you will need the fitting kit RH2380. For Rolls Royce Camarque: Vin 14674 50455 (1973