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US-Cast Engine Block Assembly from Japan

High-performance aluminum engine blocks cast and machined in US foundries exported to assembly plants for integration with imported cylinder heads and internals. Blocks cleaned, painted, and assembled only abroad. Premium 9802.00.80 automotive application.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Casting x-ray reports and machining dimension reports essential

US content must exceed 35% of engine value for maximum benefit

Cylinder bore honing permitted if done to US specifications