RockJock's Johnny Joint suspension system for 1997-2006 Jeep TJ Wranglers and LJ Unlimiteds is a complete package that replaces all eight stock control arms and provides a 4" lift. It is engineered to provide unrivaled articulating flexibility and performance in the most adverse off-road conditions. The Johnny Joint system keeps the tires in contact with the terrain for maximum traction. Kit includes 8 Johnny Joint control arms (all 4 upper arms are double adjustable in this kit), Johnny Joint adjustable front trac bar, rear trac bar relocation bracket, the RockJock Antirock front sway bar, rear sway bar extended links, and the RockJock front and rear poly urethane bump stop kits. NOTES: this kit does not include coil springs! You may choose from RockJock's spring offerings, other aftermarket springs, to suite your application. Shocks sold separately from top suppliers. When used in conjunction with a 1" body lift and a 1" motor mount lift, this kit allows for efficient use of up to 35" tires.