All Vertical Doors, Inc. systems are "Direct Bolt-On" kits that are professionally Researched and Designed by vertical doors engineers for each specific vehicle that they offer. It's a complete well-designed and tested system, and it's very easy to install. Superior design, materials, manufacturing, safety, performance and style - Vertical Doors Inc. are the industry leader and known for their Quality, Style, Fit and Great Customer Service be sure to get the original and NOT an imitation. All Vertical Doors are covered by a US patent #6,808,223; #6,845,547; #7,140,075; #7,059,655. Applications available for ALL makes and vehicles - if you do not see your vehicle, give us a call. Installation is available.