Cylinder (diameter 55mm) - Piaggio Ape 50 / Vespa PK 50 2T / Special 50 2T / XL 50 2T - Polini

Head (55mm) Polini for the following applications: Piaggio Ape 50 / Ape 50 FL, FL2, FL3, RST MIX (6 springs) / Vespa PK 50 2T / Special 50 2T / XL 50 2T.

- Head for Polini 102cc cast iron cylinder kit;
- Diameter: 55 mm.

Note: Use a long reach spark plug.