http://www.coastlinervandoffroad.com/
We've used these on 2 toads and 2 Allegro Buses. Give them a call and talk to them. Of the 4 we have, 2 were custom made by them. We run to Alaska every 2 years and run to the southwest every winter.
Pigman & Piglady
2013 Tiffin Allegro Bus 43' QGP
2011 Chevy Silverado 1500
SMI Air Force One toad brake
Street Atlas USA Plus