This CALMINI exclusive for the Frontier is a must-have for street driven vehicles. At the heart of the system is a heat treated 4130 alloy steel for maximum strength. The arms and mount links are unique to this kit and are designed to be used with the our Solid Axle Swap system. Kit comes complete with sway bar, sway bar link arms, pivot bushings, threaded adjustable links, heim joints(4), weld-on mount tabs, and complete hardware. This is the perfect addition to your ultimate performance solid axle suspension system.