Left.FWD. MEXICO BUILT. Right.FWD. 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. Incl.Disc Brake Caliper Guide Pin Boot. Mexico Built Vehicle. Boot. Disc Brake Caliper Slide Pin. Guide pin. Hardware kit. MOUNT KIT.