PLEASE NOTE: Delays in processing orders. Orders placed between Tuesday 21 January and Monday 10 February will be processed 11 February.
Norton single cylinder carb manifold connector lock nut. Stainless steel: 1.665 inch (42mm) AF; 0.2 inch (5mm) thick; one face flat; 1-3/8 inch thread for Norton singles.
Original part number:C175 - carburettor adaptor lock nut