1966 Polara 4 door at Pick A Part- usable parts on B-bodies?

[69bronzeT5]

There's a 1966 Polara 4 door sitting at my local Pick-A-Part. Is the torsion bar crossmember and rear frame rails the same as a 1969-1970 B-body or are they different?

 

[Hemi Rebel]

Being a sea body I would say no. Not the same

 

[monaco66coupe]

nope.But you can put a 1970 C body K member in a 1960 dodge! LoL all true