Fiber ring to seal the main jet holder and Flot Bowl Nut on the Dellorto SS1 and SS2 series carburetors.
This ring has an internal diameter of 25 mm and an external diameter of 30 mm. The thickness is 1 mm.
Please compare this ring carefully with what you need for your carb as there were a number of different rings used throughout the years.
Required quantity per carburettor: 2
This is item number 50 in the drawing.