This is a cantilever suspension system for 2007 – 2014 Toyota FJ Cruisers. Achieving 13-15 inches of rear wheel travel and a revolutionary design, without losing your cargo space inside. Dampening is controlled through a rocker assembly that is connected to a coilover and bypass shock. This is a weld on kit that will give you infinite control over your rear suspension. Greater handling, traction, improved geometry and articulation have all been evolved in this product. All parts are made in the USA and have been thoroughly tested. This is a complete kit including King coilover shocks, King 3 tube bypass shocks, King bumpstops, and mounts.