73 up spindles are they the same as?

[72duster72]

are 73-76 spindles for disc a- bodies same as e-b-bodies spindles

 

[hemi71x]

are 73-76 spindles for disc a- bodies same as e-b-bodies spindles

73 & 74 E Body spindles would be the same.
The 73 up B body ones are somewhat simular, but not the same. They are 3/8 inch taller.

 

[efriedrich]

Both mopar muscle magazine and mopar action magazine have tech articles on their web sites about using these breaks on A bodies. Hope this helps.