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