HTS code 9902.15.97 covers "Used camshafts and crankshafts, designed for use solely or principally with compression-ignition internal combustion piston engines (other than spark-ignition internal combustion engines) (provided for in subheading 8483.10.30)" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.