Testa candela centrale POLINI

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POLINI EVOLUTION CYLINDER HEAD FOR VESPA 125 PRIMAVERA ET3:
EVEN MORE

Polini Motori has designed a new cylinder head for the Vespa 125 Primavera ET3 with
the spark plug hole in central position.

This new part has been produced after many request coming from the more exigent
riders that want to improve the performance of the Polini aluminum cylinder kit even
more.

The specific squish increases the compression ratio, it optimizes the combustions and
improves the performance.

TECHNICAL FEATURES
Light alloy cast head that better dissipates the heat.
More fins have been placed under the head plane to better dissipate the heat.
Attention: to fit the evolution head with the central hole it is necessary to modify the
head cowling.
Part no. 211.0321.