We do full garagable camperizations on Ford vans only. Because of liability and stringent crash-test specifications, we only convert new Ford chassis.
Used vans are really hard to come by.
Occassionally, there is a used demo for sale. Folks who are really interested in this option and are willing to wait and travel to see one, are welcome to write and request that we put their name on the list. The 4WD option can only be done on a vehicle that has already been titled. Yes, it adds 4.5 inches. Dealers accept special orders.