Cylinder head Evolution (211.0321) - Vespa Primavera 125 2T / Primavera ET3 125 2T - Polini

Evolution Cylinder Head Polini for the following applications: Vespa Primavera 125 2T / Primavera ET3 125 2T.

- Polini cylinder head with spark plug hole in central position;
- Cylinder head cast from lightweight alloy that dissipates cylinder heat better;
- Additional fins have been placed under the head surface to improve heat dissipation;
- To install the cylinder head with central hole, modification of the cylinder head cover is required;
- Only for aluminum cylinder kits with a diameter of 57mm.

Note: Use a long reach spark plug.