To use this brake shim pin and clip, first make sure your MCP 181375 Billet Caliper is clean. Then, carefully install the pin and clip in the designated positions. Remember, the shim is sold separately, so you'll need to attach it if you have one. When it comes to maintenance, check the pin and clip regularly for any signs of wear or damage. If you notice anything wrong, replace them right away. Also, keep them clean to ensure long - lasting performance. And always handle the 181375 brake caliper with care as it is sold separately and you don't want to damage it during the installation process.