The Rubicon Express Super-Flex System is the best suspension for Grand Cherokee's running factory short arm suspension geometry. Upgrading your Jeep with a Super-Flex suspension system will turn your Jeep into a remarkable performing 4x4 machine with a smoother and more flexible ride on and off the trail. The Rubicon Express Super-Flex lift replaces your stock suspension with Rubicon Express' high-quality, trail-ready components.
It features an adjustable front track bar, lower and upper adjustable rear control arms with Rubicon Express' Super-Flex spherical ball joints, replacement lift springs, and Gen II sway bar disconnects. This is the best ZJ lift available that retains the factory short arm suspension design and utilizes the factory suspension mounting points.