Adapter, POLINI air filter tulip Ø50.5 to 62mm aluminum for PWK 24 to 30mm carburetors

Here is the POLINI air filter adapter for PWK carburetor. It will allow you to reassemble your air filter in Ø60 to 63mm easily by improving the venturi effect (studied for PWK 24, 26, 28 and 30mm). It is cut from aluminum.