i'm sorry, i wasn't very clear on this. my fault. ok, this stuff is the size of a rockwell, but use a third member, like a 9" axle. ring gear measures bout 12" and uses the BIG six lug pattern. i have a set in my back yard. it has 6.17 gears. i also have the matching t-case. mostly i need help disk brak'n it. any one with pics of these axles?....................thanks