[Mike C]

On a Blazer/Jimmy the frame itself is the mount for the inside bumper bolts. It turns down and is the shape of the bumper. The outside bolts are brackets that go from the frame diagonally out to the outside holes. On a pickup, the rails are straight and all of the brackets bolt on to the frame. So if the ends of your frame rails are chopped off, you will need to scratch mount some inner mounts but you may be able to use the angled outside mounts to help position the sport bumper.