Bump stops are simple but powerful things. Designed to protect your suspension from impacts, bump stops are crucial to maintaining the lifespan of your vehicle. The factory bump stops installed on your vehicle are most likely made of rubber. While rubber can be good at reducing vibrations, it doesn't last long under repeated wear. Prone to warping and cracking, rubber bump stops will eventually leave your suspension unprotected. Daystar makes all of their bump stops out of polyurethane, a material much more durable than rubber. Extremely resistant to both physical wear and corrosion, replacing your rubber bump stops with Daystar's polyurethane will not only restore your protection, but it'll also make it better than ever. Plus, Daystar covers all of their products with a lifetime warranty