Description 40 DCOM 5 Originally specified for Alfa Romeo 75 1600cc from 1987 onwards and designed to be used in conjunction with 40DCOM 4 Choke              30mm Aux Vent          6 Main Jet           120 Air Corrector     150 E/Tube              F47 Idle Jet              59F21 Please note that these carburettors have 5 large progression holes, therefore care should be taken when using these on anything other than the original application 1955017600