Rough Country 1180 Rough Country-1180-Rear Forged Adjustable Track Bar for 2.5-6-inch Lifts for Jeep 4WD, 07-18 Wrangler Unlimited JK 4WD/2WD Easy bolt-on installation; massive 1.25 inch outside diameter; made of forged solid Steel for unsurpassed strength and durability; Includes clevite brand OEM style rubber bushings Fits models with 2.5 - 6 inch suspension Lift kits. 2007-2018 4WD Jeep JK Wrangler; 2007-2018 4WD Jeep JK Wrangler Unlimited; 2007-2018 2WD Jeep JK Wrangler Unlimited Kit contents: rear adjustable track bar Est. Install time: 1-2 hours; sku: 1180