The British Seagull® Villiers carburettor banjo bolt large-hole washer sits on the British Seagull Outboard Villiers Carburettor Banjo Union Bolt before the banjo on the Villiers carburettor.
This British Seagull part is suitable for engines fitted with the Villiers carburettor only and is used on the metal float chamber assembly.
The banjo, filter, and V383 'Small-hole' washer are not included but are sold separately.