Pair of 4O DCOE Carburettors as per 19550.174 with 30mm chokes, 4.5 Aux Vents, F11 Tubes, 115 Main jets, 200 Air correctors, 45F9 idles, 40 Pump Jets, 175 needle valves, bleed backs 50 and 40mm long trumpets. Comes with linkage kit for with twin cables, mounting plates and Cosworth style cup washers and rubbers along with fuel unions. Manifold not included.