  Replacment top ring nut for Dellorto SSI 25-30mm "D" model carbs. This super nice billet Aluminum ring nut is special made for the late model "D" model carbs and are taller than earlier type of ring nuts. These nuts can be used on earlier SSI carbs but you will have to drill a new hole for the wire clip or leave it off. These "D" model carbs are mostly found on Moto Guzzi V700 twins and late model Ducati bevel 250, 350, 450 Singles. Please check the model of your carb before ordering and if you have a D model carb this is what you need |