From the links above, I definitely have Huck brakes and the title says it is a 1952. I don't know what the bore is because I have spent the day trying to figure out how to take them apaart so I can determine the bore. I have pictures of the wheel cylinder and brake setup, but I still have to figure out how to post them. I have them on MyDrive, but I don't know how to link to it. When I get time, i will research it and post the pictures.