1970 Duster base model slant 6 rear differential 2070051 spider kit

joel erlandson said
Circle Pilot- could you also verify the casting #? Axle ID lists 3- 2070051 (mine) / 3507881/ & 3723675. Thanks joel

I'll take some measurements and pictures of it tomorrow. It's in our hangar in the bed of the shop truck.
Norm