The Traxxas Slayer sway bar kit is a must have for Slayer racers everywhere. The kit was created, developed, and extensively field specifically for the Slayer and short-course racing. The sway bar kit includes front and rear linkages, mounts, thick and thin sway bars, hardware, a tuning guide, and comprehensive installation instructions. *Can not be used with stock rear bumper mount setup. Must be used with rear wing mount #5411.