cylinder head with swirl chamber function of the valves and bucket tappet (fine springs enable smooth operation) function of the cut up injection nozzle function of the glow plug function of the swirl chamber description ordernumber 1171 see also: High-pressure pump (petrol direct injection) VP 44 (Bosch) radial-piston distributor-type injection pump turbo-charger with variable geometry and electrical control motor visco blower