Torque strut bolt. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Engine Support Rod 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 Engine Torque Strut to it's mounting point. Engine Mount Bolt. I-Beam Suspension. Mounting Bolt for Suspension Stabilizer Bar Link. stud. Engine Mount. Engine Support Rod. Strut bracket. Suspension Sway Bar. Torque arm.