Other
Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof: > Transmission shafts (including camshafts and crankshafts) and cranks: > Camshafts and crankshafts: > Designed for use solely or principally with spark-ignition internal combustion piston engines or rotary engines > Other
Duty Rate (from China)
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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
Articles as provided for in subdivision (l) of U.S. note 38 to this subchapter.
Products classified under HTS 8483.10.10.50
Motorcycle Cast Iron Crankshaft
Forged cast iron crankshaft for high-performance spark-ignition motorcycle engines, converting reciprocating motion to rotational power. Features precision counterweights and main bearing journals. HTS 8483.10.1050 classification due to principal use in spark-ignition piston engines.
4-Cylinder SOHC Camshaft
Single overhead camshaft (SOHC) for inline 4-cylinder spark-ignition automobile engines, featuring laser-hardened lobes for durability. Controls valve timing for 2.0L-2.5L displacement engines. Falls under 8483.10.1050 as camshaft designed principally for spark-ignition piston engines.
High-Performance Forged Steel Crankshaft
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.
DOHC Aluminum Camshaft Set
Dual overhead camshaft set (intake/exhaust) machined from aerospace-grade aluminum billet for 4-cylinder spark-ignition turbo engines. Features aggressive lobe profiles for increased valve lift. HTS 8483.10.1050 as camshafts principally for spark-ignition piston engines.
Small Engine Lawnmower Crankshaft
Precision-ground crankshaft for 4-stroke spark-ignition small engines used in lawnmowers and garden equipment (displacement <1L). Features tapered crank nose for PTO attachment. Classified under 8483.10.1050 for spark-ignition piston engines.
V6 Engine Billet Camshaft
CNC-machined billet steel camshaft for 3.5L-4.0L V6 spark-ignition engines, featuring hollow-stem intake lobes for weight reduction. Designed for luxury/performance sedans and SUVs. HTS 8483.10.1050 classification for automotive spark-ignition applications.
Racing Motorcycle Crankshaft Kit
Lightweight racing crankshaft with titanium connecting rod journals for high-revving spark-ignition motorcycle engines (>14,000 RPM redline). Features H-beam webs for extreme stress loads. Classified 8483.10.1050 as principally spark-ignition engine component.
Hybrid Vehicle Atkinson Cycle Camshaft
Specialized camshaft with late intake valve closing for Atkinson cycle operation in hybrid spark-ignition engines. Features optimized lobe profiles for improved thermal efficiency. HTS 8483.10.1050 as designed for spark-ignition piston engines despite hybrid application.
Compact Car 3-Cylinder Crankshaft
Offset ground crankshaft for inline 3-cylinder spark-ignition engines in subcompact cars (1.0L-1.5L displacement). Features 120-degree firing intervals and balance shafts integration provisions. Classified under HTS 8483.10.1050 for automotive spark-ignition engines.
Automotive Aluminum Camshaft
Precision-machined aluminum camshaft designed specifically for spark-ignition internal combustion engines in passenger cars. It controls the timing of intake and exhaust valves through eccentric lobes. Classified under HTS 8483.10.1050 as a camshaft principally used with spark-ignition piston engines.