The JeePerf WK/XK Front 5"+ Lift JeePerf has been developing performance suspension components for the Jeep WK/XK and other IFS platforms for many years. With more demands to offer a 5"+ lift for the WK, more key components needed to be developed to complete the solution. To understand the complexity of this project, we need to explain some basic principles. IFS is a suspension systems made up of many custom fit parts, ALL of which are designed and assembled to work TOGETHER