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
27.5%
Rate breakdown
9903.74.0825%Medium- and heavy-duty vehicle parts, as provided for in subdivision (i) of U.S. note 38 to this subchapter.
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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