8. The Calmax Super Shox were up next, and simply bolted in place of the factory dampers. There’s just one, vey easy to reach, top nut, and then two bolts down below. Calmax shocks are twin-tube, nitrogen-filled hydraulic shock absorbers that DJM builds for all of its lowering kits. They also offer factory replacement Calmax units for stock trucks and SUVs as well.