74 duster 8.25 swap into 65 Dart 7.25?

you'll need the 8.25 shock plates and new U bolts to fit the tubes-- they're bigger than the 7.25

the driveshaft will need to be shortened.

i ran 15X7 w/ 4.25 back space factory cop wheels on the back of 64 & 65 darts with 8.25's with no problems.