The TeraFlex JK S/T Swaybar System is the most advanced manual swaybar disconnect system available. With the easy engagement knob you can go from street to trail in seconds! The S/T swaybar gives you a heavy duty torsion bar for highway handling. When engaged in the street position it provides an extremely stable highway ride, and when disconnected the front axle is allowed unrestricted movement. The swaybar arm features several link mounting points to fine tune the torsion rate. Engagement and disengagement of the swaybar is simple as a twist of the knob - and you are on your way. Fits all JK Wrangler models with 0-3 inches of lift.Fits: 07-Present Jeep Wrangler JK 07-Present Jeep Wrangler Unlimited JK Details: JK 0-3 Inch Front Single Rate S/T Swaybar Kit Easy Engagement Knob Allows Going From Street To Trail In Seconds! Gives You Heavy Duty Torsion Bar For Highway Handling When Disconnected Front Axle Movement Is Unrestricted Black Powdercoat Finish Note: Wheels must have 4 inches or less backspacing. 2012+ JKs - Need the vacuum pump relocation kit P/N 4403100