85 f-350 single cab 6.9l dually question on model

[Cainon]

Sounds like a good find

 

[264WSM]

I don't know where Smithfield is, but I have your 4x4 parts!
F-250 split front axle with your choice of 4.10 or 3.54 gears. Transfer case and C6 trans or transfer case and E4OD trans. I'll throw in the drive shafts, but they are both for an ext cab. Sorry, sold out of the ZF-5's

 

[Cainon]

Virginia