Spark-Ignition Marine Piston and Ring Set from Mexico
Hypereutectic aluminum pistons with chrome-faced piston rings optimized for marine spark-ignition engines in inboard propulsion systems. Designed for high compression ratios and water-cooled operation. Under 8409.91.92.90 as parts principally for marine heading 8408 engines.
Duty Rate — Mexico → United States
12.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide piston bore specifications matching marine engine models
• Include ring gap measurements certified for marine operating conditions
• Avoid bulk generic piston classification (8409.99); specify marine application