What driveshaft should my car have?

[moparedtn]

Ed ur right but mine has big joints frt & rear in an auto!?

Yes sir, which is what I posted earlier - FSM says that's correct for 440 and hemi whether auto or manual.

 

[chignikred]

Dodge 727 / 8.75 came with 52" , Plymouths came with 51.50"
Interia rings came in 68, but I can say that they also came w/o. The 'lrg' 7290 joints are 1.12 ". smaller 1.06"