Caliper bolt. Front. Left.4WD. Left.REG & QUAD CAB. Right.4WD. Right.REG & QUAD CAB. 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. Bolt. Disc Brake Caliper Bolt. Disc Brake Caliper Bracket Mounting Bolt. sleeve. Disc Brake Bracket Mounting. Disc Brake Slide. Guide. Hardware Kit. Hex Flange Head. Included with: Caliper, Hub and bearing.