Left.2.5 LITER NON TURBO. Right.2.5 LITER NON TURBO. 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. Boot, LOCK. Disc Brake Slide. Piston. Support. Included with: Caliper assembly.