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

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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