140.0136 CAST IRON THERMAL GROUP TH.12 The new Polini Ø 47 cast iron 4 stud thermal group has been designed for a specific combination with the Polini For Race crankcase always for all the mopeds Hello, Yes, Good, Boss, Grillo. The drilling involves fixing the cylinder using 4 studs which ensure a more efficient distribution of effort during the operation and allow a discharge centered with the axis along which it is develops the washing process and a thin crosspiece. Other technical features: exhaust transfer with booster holes head gasket in annealed aluminium. To assemble the thermal unit, it is necessary to combine it with the muffler CODE 200.0425 The cylinder head can be mounted on all Piaggio Ciao SI Bravo Boxer Grillo models etc Black headboard. COMPATIBILITY: PIAGGIO GRILLO PIAG.
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