There’s nothing to see here, unless you’re looking for simple, proven parts that work well. The factory spring-under configuration remains, but the leaf packs are now 4-inch-lift Skyjacker units. Damping comes courtesy of Rancho RS-9000 shocks. The factory front-shackle configuration minimizes driveshaft plunge and helps push the axle forward when mounting a trail obstacle. Tim uses shackles 1 1/2 inches longer than stock to garner additional lift height.