F350. Left.F250. Right.F250. 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 Bushing. Kit. mount Kit. repair Kit. support retainer Kit. Disc Brake Bushing. Disc Brake Slide Bolt. Guide.