Left.MEXICO BUILT. Right.MEXICO BUILT. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the A Pillar to it's mounting point. Body A-Pillar. Exhaust Manifold Heat Shield Bolt. Roof Side Rail Bolt. SunRoof Frame Bolt. Body A - Pillar. Bracket. Exhaust Manifold Heat Shield. Heat Shield mount. Hinge Pillar. Inner Rail. Insulator. REINFORCED plate. Roof Side Rail. SunRoof Frame.