Vantech Black Aluminum Bolt-On Cargo Rack System Ford Transit 2015-current High Roof / 148" WB Model H1812FD03BVantech Black Aluminum Bolt On Cargo Rack System Ford Transit 2015 current High Roof 148" WB Model H1812FD03B The FD configuration allows for the integration of fog lights without compromising cargo space. The F front end extends the system by 19. 5 inches, as well as adds a lower bar to mount accessories to. There is an 8 inch space between the bottom and top rail of the F piece, which allows for a variety of fog lights and lightbars to be mounted.