This kit includes everything you need to upgrade the front sway bar to Z51 performance suspension (FE3,FE4,FE6,FE7) and add in a rear sway bar (FE3,FE4,FE6,FE7). This is a kit for Genuine GM C7 Z51 Sway Bar Upgrade Kit; this kit includes both front and rear Performance sway bar stabilizers, insulators, and nuts & bolts. And to add in the rear sway bar, this kit includes: end links, clamps, and nuts & bolts. This is a complete kit with everything you will need to upgrade the front sway bar and add a rear sway bar to your base Stingray to handle a little more rigid and reduce body sway. Kit will include front and rear sway bars, front and rear sway bar insulators, rear sway bar clamps, rear sway bar links, and all hardware needed. Rear bar and insulators will be determined by which kit you choose above.