Left.W/O DYNAMIC CHASSIS CONTROL. Mount bracket bolt. Right.W/O DYNAMIC CHASSIS CONTROL. A Bolt used to secure a Suspension Shock Absorber. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Engine Mount Crossmember to it's Mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Suspension Crossmember Reinforcement to it's Mounting point. Suspension Crossmember Bolt.