ASKING FOR HELP...I HAVE STS OF A BODY CALIPER BRACKETS...I WANTED THE LARGE..TO MOUNT 81 NEW YORKER 11 3/4'' DISC...IF YOU TURN THESE BRACKETS ON END....THAT THE CALIPER MOUNTS...WHAT IS THE MEASUREMENT OF THE LARGE...OR SMALL DISC BRACKETS..I WANT TO ORDER THE RIGHT PARTS...THANKS RON