4.7 & 5.7 LITER. Trans pan bolt. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Engine Mount Heat Shield 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 Junction Block to it's mounting point. Transmission Oil Pan Bolt. Oil. screw. Engine Mount Heat Shield. Filter. HEX FLANGE HEAD. Junction block.