Rough Cast Iron Intake Manifold Casting from Japan
Basic cast-iron intake manifold blank for automotive spark-ignition engines, cleaned of risers/gates and lightly machined for fixture points only. Runner passages remain fully cored and un machined. Classifies in 8409.91.10 as unfinished part for 8407/8408 engines.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Cross-section photos showing untouched internal runners prove no port machining occurred
• Certify compatibility only with spark-ignition engines to distinguish from diesel manifolds
• Watch for flange facing—any port matching disqualifies from this basic casting code