Mixture Screw for Solex Pierburg PDSI carburetors.
Special, tapered, screw to set the idle mixture on the Solex and Pierburg PDSI series carburetors.
This is number 33 in the drawing.
Required quantity per carburettor:1
Please note that this carburetor was marketed as well as under the Solex brand as under the Pierburg brand.