Kargo Master 78000 8' Service Body Truck Rack Flexible tubular frame absorbs impact stress that can damage your truck bed Front bar overhangs cab to reduce wind noise and to support longer loads 2.5 wide rear mount plates attach to the outside edge of the rear of your service body. Plates vertical mount location can be set to provide desired rack clearance above chassis cab Standard rear mounting brackets are 5  tall and 7 height adjustment with telescoping front legs for optimal cab clearance Carrying Capacity with 62 wide Cross Bars