For marine propulsion engines

840991 Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines):

84099110 Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery

8409911040 For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704

8409911060 For marine propulsion engines

8409911080 Other

8409913000 Aluminum cylinder heads

84099150 Other

8409915010 Connecting rods

8409915081 Steel forgings

8409915085 Other

84099192 For marine propulsion engines

8409919210 Connecting rods

8409919290 Other

84099199 Other

8409919910 Connecting rods

8409919990 Other