The heavy duty frame brace and track bar drop bracket from Rugged Ridge have been designed to reduce front end movement and shimmying on lifted JK Wrangler. The frame brace includes a track bar drop bracket to help maintain the proper steering geometry. The kit is recommended on any JK Wrangler with 3 inch or more of lift and an adjustable track bar. Welding is required for installation.. The heavy duty frame brace and trackbar drop bracket from Rugged Ridge fits 07-18 Jeep Wrangler. These parts improve strength and handling.