MCP std. Caliper Mount Bolt. (3/8" x 24 x 4") Comes with bolt, nut, washers, and cotter pin.
 
2 bolt kits needed per Brake Caliper. Not for Mini Lite.
 
Each Kit Includes -
1 - 3/8-24 x 4" Drilled Hex Bolt
1 - 3/8-24 Castle Nut
2 - 3/8 Small OD Washer
1 - Cotter Pin 1/16x1"