The easy part is finding the mirrors! They're all over Ebay in both OEM and aftermarket manufacturer flavors. These mirrors won't fit on a van without a significant amount of work though. The shape of the base, the angle of the door and A-pillar and view angle from the seating position are all very different between the trucks and the vans. I've done two sets...a lot of hand-made goodness here.
and the Optima Batteries SEMA van:
I wish it were as easy as the trucks...