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Inboard Marine Engine Timing Chain Kit from Japan

Heavy-duty duplex timing chain with marine hydraulic tensioners for spark-ignition inboard propulsion engines. Designed for extended service intervals in continuous operation. 8409.91.92.90 marine propulsion classification.

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

Provide chain pitch and tensioner pressure specs for marine engines

Include service interval documentation exceeding automotive standards

Verify corrosion-resistant plating for marine atmosphere exposure