These double shear bearing suspension cages are the strongest on the market. Cages are built with Wehrs Quick Adjust Technology, so to make a 4 bar adjustment you simply loosen the bolt, pop out the puck spacer, move the bar ,and tighten. Spacer package has high misalignment built in for maximum travel. Has a built in level for quick reference on cage index. Fully modular so crash repair is simple unlike a welded cage. Cage comes with hardware, and clamp rings. Shock mounts sold separately. Cage works on LR and RR. Use WM200-7 shock mount on LR and WM200-7-1 on RR.