This is a butterfly valve for the 48mm Weber DCO/SP carburetors.
Required quantity per carburettor: 2
This is item number 33 in the drawing.
If you are replacing butterfly valves, please ALWAYS use new screws!
For Italian-Made Weber DCOE's: 64570.009
For Spanish-made Weber DCOE's: S57392022
For your convenience, you can order new screws right along with your butterfly valve by simply selecting them through the drop box