High-Performance Forged Steel Crankshaft from Japan
Nitrided forged 4340 steel crankshaft for 350-500hp spark-ignition V8 engines, featuring gun-drilled oil passages and lightweight cheater webs. Designed for racing and performance automotive applications. Classified 8483.10.1050 for spark-ignition internal combustion piston engines.
Duty Rate — Japan → United States
2.5%
Rate breakdown
9903.03.060%Articles of iron or steel, derivative articles of iron or steel, articles of aluminum, derivative articles of aluminum, passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks and parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks, semiconductor articles, semi-finished copper and intensive copper derivative products, wood products, or medium- and heavy-duty vehicles or medium- and heavy-duty vehicle parts, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
9903.74.110%Articles as provided for in subdivision (l) of U.S. note 38 to this subchapter.
Import Tips
• Material certification (4340/4140 steel) and HRC hardness testing mandatory
• Non-destructive testing (NDT) reports like magnaflux inspection often scrutinized
• Performance specs distinguishing from OEM parts affect valuation