Cylinder Head POLINI 75/75R
/85cc for Vespa 50/PK50/S/XL
Ø 47 mm, short thread
POLINI have also developed and produced a new racing cylinder head for the VESPA small frame motor. It includes an ideal squish band clearance, long sparkplug thread and a specially designed cylinder head gasket.
OEM Numbers (for the purpose of comparison)
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