At Wayfarer Vans, we make pre-assembled, plug-n-play camper kits for the Ram Promaster City Tradesmen and the Ram Promaster, 136″ wheel base, high roof. Transforming them from cargo vans to base camper vans in a few hours or less. Our Promaster City camper kit can be packaged and shipped to you for easy installation, or you can visit us in Colorado Springs, Colorado and we’ll install any ...