Steinjager Limb Riser Kit for 2007-2018 Jeep Wrangler JK/JKU. This limb riser kit will require the drilling of four holes in the a-pillar to mount the upper brackets. the lower bracket uses the hood latch mounting holes for attachment. Caution: If you do NOT follow our video installation instructions, you will potentially create air and/or water leak in your cab that will require re-drilling or the application of a bead of silicone to fix the leak