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POLINI Half Pulley 14 Degrees
Description

POLINI SELF VENTILATED HALF PULLEY EVOLUTION AIR SPEED
The Polini self-ventilated half pulley Evolution Air Speed is designed for all the scooters equipped with Polini Evolution engine crankcase and for tuned Piaggio engines.
Made with an increased diameter of 115 mm and built in anodized aluminium alloy, it stands out for its aerodynamic shape of the reversed fins.
This design aims to increase the air flow in the transmission by 30%, especially at the highest engine speeds, between 13.000 and 15.000 rpm. Furthermore, it presents a reduction in the power absorbed by the crankshaft by 5%. This solution ensures that engine performance is always maintained at the highest level, while ensuring maximum efficiency. Two versions are available with different inclinations of 12,5° and 14°.

100% Made in Italy

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