eurocarb ltd - sole UK Dell'Orto importer and official Weber dealer. Weber 40 IDF Dellorto 40 DRLA Porsche 356 / 912 Manifold adaptors Description Manifold adaptors to allow fitment of Weber 40 IDF / Dellorto 40 DRLA carburettors to Porsche 356 / 912 engines Manifolds are bored to 45mm. Kit includes: Studs, nuts & washers for mounting carburettors Manifold adaptors and gaskets