fan wheel Polini Evolution aluminum for Vespa Smallframe

High precision manufactured Polini Air Speed Evolution fan wheel specifically for the analogue and digital Polini ignitions 171.0543, 171.0544, 171.0545 and 171.0554.

Suitable for Vespa small frame 2-stroke vehicles such as 50 Special, PK and XL, Vespa 125 Primavera, Primavera ET3 and 125 ETS, PK, XL.

According to the manufacturer, the fan wheel is designed for the high speeds of Evolution engines and can increase engine speed by about 300rpm. The aluminium lowers the temperature due to its excellent thermal conductivity. The CNC-machined Polini tuning fan wheel is suitable for ignitions with flywheel or internal rotor.