Ya, thereís not a 4X4 kit available for these that Iíve heard of. While your intentions are noble in wanting to help out your friend, I donít think that the Promaster will deliver on what you might want/need.
Is that spray foam insulation? No going back from that, Iíd make sure it didnít deform the sheet metal and makes it difficult to add or run any electrical for future upgrades.
'03 Ford E350 7.3L Diesel
(de)SMB'd Custom RB-50
Quigley 4X4 w/Deavers & Agile Offroad's R.I.P. package
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