i just so happen to have an eaton posi, 3.73 gears, and a rebuild kit for a 7.5" 10 bolt gm rear end....i'm asking $350 for it all...i can take pics, and put em on here if u wanna see em...they were all ordered out of summit, so u can look em up in the catalog...approx $700 worth of parts....if you'r interested...my email is a_t0vvn@yahoo.com <~~thats a zero and 2 v's