Do my rear shocks mount body up or boot up? Icon, Radflo, and Sway-A-Way rear shocks need to be mounted with the body of the shock up, on the chassis side. We mount the Bilsteins with the body of the shock down. It looks a little better that way because you can see the body of the shock, but they can be mounted either way. What’s the best option for the rear of my Titan: blocks or springs? Blocks are the least expensive and most reliable way to get a few inches of height for