| 8409.91 | | Other: | | | | |
| 8409.91 | | Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines): | | | | |
| 8409.91.10 | | 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 | | Free | | 10% |
| 8409.91.10 | 40 | For vehicles of subheading 8701.20, or heading 8702, 8703 or 8704 | kg | | | |
| 8409.91.10 | 60 | For marine propulsion engines | kg | | | |
| 8409.91.10 | 80 | Other | kg | | | |
| 8409.91.30 | 00 | Other: | | | | |
| 8409.91.30 | 00 | For vehicles of subheading 8701.20, or heading 8702, 8703 or 8704: | | | | |
| 8409.91.30 | 00 | Aluminum cylinder heads | No. kg | 2.5% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8409.91.50 | | Other | | 2.5% | Free (A*,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8409.91.50 | 10 | Connecting rods | No. kg | | | |
| 8409.91.50 | 80 | Other | kg | | | |
| 8409.91.92 | | For marine propulsion engines | | 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8409.91.92 | 10 | Connecting rods | No. kg | | | |
| 8409.91.92 | 90 | Other | kg | | | |
| 8409.91.99 | | Other | | 2.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8409.91.99 | 10 | Connecting rods | No. kg | | | |
| 8409.91.99 | 90 | Other | kg | | | |
Harmonized Tariff Schedule of the United States inquiry: 534
