Reinforced engine woodruff key set for Vespa small frame Polini

Reinforced Polini key kit for Vespa smallframe engine.

Highly durable, made of hardened c70 steel.

Includes:

• clutch
• crankshaft pinion
• magnetic flywheel.

To minimize interference between the housing and the key, they have been cut with a greater thickness than the original types.
It is possible that you may need to adjust them with a small piece of sandpaper on a flat surface.