half pulley Polini Ceramic Air Speed ??Evolution 3 for Minarelli 244.0124 fitting for Benelli 491 Replica 50 BA0100 2002, 4,1 PS, 3 kw

V-belt pulley from the Ceramic Air Speed Evolution range, for Minarelli engines. The pulleys are manufactured from a single block of material, alloy coated and then ceramically treated. The larger fan wheel reduces the temperature in the engine housing and reduces wear.