This is a butterfly valve for the 48mm Weber DCO/SP carburetors.
The edge of this disc is cut under an angles of 83 degrees.
Required quantity per carburettor: 2
This is item number 33 in the drawing.
If you are replacing butterfly valves, please ALWAYS use new screws!
Conical head: 64570.009
Flat head: S57392022
For your convenience, you can order new screws along with your butterfly valve by simply selecting them through the drop-down menu marked Screws Y/N* which you will find above the Add to Cart button.
This is Weber Part Number: 64005.108