360° intake manifold from Polini with 21mm inlet for geared mopeds with 50cc Minarelli AM6 or Derbi EBE/EBS, D50B0 engines used with 15-21mm Polini CP or PHBG 19-21 mm carburettors. Connection carburetor: 25mm angle: 20° connection diameter. Crankcase: 21-24mm Inlet: 21mm