The Motobilt YJ competition cut corner guards are designed for serious off roading. They provide complete protection from your door to your tail gate keeping your s body safe no matter the terrain. These corners were engineered utilizing the latest in technology. First they are modeled in the most advanced software to ensure the best possible fit. Next, an in house Motobilt CNC laser cuts the 3/16 inch thick high strength steel plate. Finally using specially made tooling they are cnc formed to precise tolerances. These process in design and fabrication allows for a great fit on your YJ . Every aspect of production from design, fabrication, to shipping is all done in house at Motobilt. This allows us to ensure the best in American made quality. The competition cut allows you to run much larger tires and gives room to stretch your wheel base. You can really move the rear axle back to get the wheel base you need and provide a great departure angle for those really big rocks! When installing these corner guards you will need to cut much of the factory sheet metal away including the boxed in portion on the interior of your stock corners. Usually this requires the factory body mount to be removed also. A good way to reinforce this area is to tie the roll cage into the rear section of the frame. The corners have a 4 .5 inch hole laser cut in back for a flush mount led tail light. All of the mounting locations are countersunk to keep the side of your clean and slick. Most of the hardware uses a through hole with a nyloc nut on the back side. They work perfectly together to keep your s body completely protected.