These belly skids will work with Rock Krawler*, EVO, and Teraflex** Long Arm kits with minor modifications. *Please note that the Rock Krawler "Rockzilla" kit is an entirely different animal from the conventional long arm kits and requires deletion of the factory fuel tank and replaces it with a custom fuel cell. Our skid system is not compatible with this, however we are working on skids that will work for this! **Teraflex long arm kits do require slight modification to the fuel tank skid as this suspension kit relocates the rear lower control arms underneath the frame rail where the fuel tank skid would otherwise interfere -- 5 minutes with a cutoff wheel prior to installation resolves this issue.