Using this S&B Silicone Body Mount Kit is straightforward. First, find the right part number according to your vehicle's year, model, cab type, and engine. When installing, make sure to use the new OEM - designed bolts provided and avoid re - using old ones for safety. The cap bushings are keyed, so they'll fit easily into the frame tab. Just follow the installation guide by clicking on the link. As for maintenance, since the mounts are made of heat and ozone - resistant silicone and the steel caps are rust - resistant, they should last the lifetime of your truck. But it's a good idea to check them occasionally for any signs of damage. If you notice any issues, S&B offers a lifetime guarantee, so you can reach out to them for support.