Caliper support mount kit. Front. Left.SE. LIMITED. Right.SE. SEL. A bolt used to Mount / lock the disc brake Caliper to the disc brake Caliper guide pin. A pin used with a float style Caliper, which Mounts the Caliper to a Caliper bracket through a Caliper guide pin bolt, allowing the Caliper to slide freely during braking. Disc Brake Caliper Bolt. Incl.Guide Pin Bolts,Boots. Part cannot be reused/reinstalled. Pin. Standard Duty Brakes. Included with: Caliper.