High-pressure pump (petrol direct injection) The latest generation of high-pressure petrol pumps from Bosch, which can be used for fuel pressures of more than 200 bar. Tappet and solenoid can clearly be seen. The tappet can be moved. description ordernumber 1337 see also: exhaust turbocharger with charging-pressure control Common-rail high pressure pump with fuel-delivery regulation valve function model crankshaft turbo-charger with variable geometry and electrical control motor