Pad Shim Retainer Item Number: MCP-113285 Price: $1.60 Add to Cart Description This MCP brake caliper clip is used to hold tension on the shims used in the new Pro X-Cel brake caliper. These retainer clips are sold individually and work with the MCP-181375 Caliper Assembly. Accessories MCP Caliper Assembly, Billet, Standard Pad Shim Mini Lite Brake Pad Pro X-Cel Pad Spring