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: high-pressure pump for engines with direct petrol injection (GDI) turbocharger with ball bearing and variable vane geometry two-stage turbocharger (bi-turbo) two-stroke moped engine