Drum brake swap from 7 1/4" to Jeep 8 1/4"

TrailBeast said

Why not simply use the Grand Cherokee or Dodge Dakota disc brakes on the rear?
They bolt right on the 8.25.
About the only thing different is you will need longer wheel studs because the discs take up a bit more room than the drums.
I put them on the 8.25 in my Dart.

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I'm planning on doing this swap over the winter months to my 73 Duster w/ an 8.25" (now if I could only find a hoist that would fit in my igloo). I'm sure somewhere there's an answer to my question in FABO but to make it easier, which years & models of the Grand Cherokees & Dakotas have the proper hardware to do the swap?

I've also read somewhere that you have to enlarge the centre hole in the backing plate to accommodate the larger size of the axle housing??

Thanks in advance!!