Underneath the Samurai, a couple of bushings simply slip between the chassis and body without a screw going through them. After all bushings were installed according to the instructions, only the screwed ones really held up. The squares didn't do anything. Easy 1/8 to 1/4 inch bushing to body clearance. I compared them to the factory bushings I pulled from these spots and they were about twice the thickness of the originals. I'm really not happy with the replacement. The ground now feels moreβ¦