The rear bump stops are built to last. I was thinking of only using one per side but then decided to go overboard and do two. They are angled slightly outward so that if one side is drooping and the other side compressed it won’t put too much side loading on it. The bottom plate is 1/4” and the sides are 1/8”. I left a gap on the inside so that I could get at the nuts. The bumps themselves are just some generic Energy Suspension product (PN: 9.9136). I wanted something that with a lot of height so that they might have more give and a softer stop.