Due to the configuration of this frame we can only offer this kit as a weld-on. The weld-on kit is relatively easy to install and simply requires 2 small welds about 1/2" wide on each side of the tower. We give you step by step pictured instructions and this process can be completed easily by a qualified welder in less than 30 minutes. You can view the instructions from this page, to see what's involved. Call or email us if you have any other questions. For bolt-on kits, see the "SUB Mount" options.