i just swaped my rearend my old 71/4 was 50 inches new 81/4 is 48 inches +bigger lug pattern i got a set of 14inch rallys to put on it to match the front anyway it had 215 60"s on it before 14"S but right now i got a set of 225-75 15 s on it so it can roll i noticed they are only an inch away...