Driveshaft specs for 71 rb/727/8.75 combo?

[carcrazyguy]

Anyone happen to know the original specs for the driveshaft on 71 charger with a 727 trans and 8.75 rear end? I need to have one made for my car and would like to give the company the specs of the original piece.

 

[Nacho-RT74]

ALL THIS LIST is to 8 1/4" and 8 3/4"