HELP NEEDED

hey all me again with my question but theres stuff i dont know so i ask the ones who do , im looking for a set of carbs for my 82 440, i know they need to be rebuilt but having a hard time to get parts here, so what im wondering is are there any other kind or carb that will fit and work on the bike,just got her rolling again and now this lol. hopefully someone can help me out . thanks again to all
CHEERS:)