Sub Headings of 8409

8409.10.00. For aircraft engines
8409.91.10. Cast-iron parts, not advancedbeyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permitlocation in finishing machinery
8409.91.30.00 Aluminum cylinder heads
8409.91.50. Other
8409.91.92. For marinepropulsion engines
8409.91.99. Other
8409.99.10. Cast-iron parts, not advanced beyond cleaning, and machined only forthe removal of fins, gates, sprues and risers or to permit location in finishing machinery
8409.99.91. Forvehicles of subheading 8701.20, or heading 8702, 8703 or 8704
8409.99.92. Formarine propulsion engines
8409.99.99. Other