340 parts

i dont have the drums but they are easy to find at local parts house ,i am not sure if these are 2 or 2.5 but i believe the backing plates will work for 2 or 2.5 just make sure the drums are the same.all the bhardwar i sinstalled on these. if interested i can go measure exactly what they are.i am in sw wisconsin zip 53581 . tks scott