4WD. Bracket bolt. Right.5.7 LITER. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Engine Mount Support Bracket 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 Winch Motor to it's Mounting point. Engine Mount Bolt. Engine Support. Frame. HEX Flange HEAD. Insulator. Isolator screw. Side. Winch Motor.