Other
Parts suitable for use solely or principally with the engines of heading 8407 or 8408: > Other: > Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines): > Other: > Other > Other
Duty Rate (from China)
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
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)
Products classified under HTS 8409.91.99.90
Honda CBR600RR Cylinder Head
Aluminum cylinder head designed specifically for the spark-ignition engine in Honda CBR600RR motorcycles. Features precision-machined ports and combustion chambers optimized for high-performance rotary valve timing. Classified under 8409.91.99.90 as a part suitable solely for spark-ignition internal combustion piston engines of heading 8408.
Yamaha YZF-R1 Piston Kit
Forged aluminum piston set with rings and wrist pins for Yamaha YZF-R1 sportbike spark-ignition engine. High-compression design for 998cc inline-four cylinder configuration. Falls under 8409.91.99.90 as parts principally used with spark-ignition piston engines.
Suzuki GSX-R1000 Crankshaft Assembly
Precision-balanced crankshaft with connecting rods for Suzuki GSX-R1000 supersport motorcycle engine. Designed for 999cc inline-four spark-ignition configuration with ram-air induction. Classified as 8409.91.99.90 part solely for spark-ignition internal combustion engines.
Kawasaki ZX-10R Camshaft Set
DOHC titanium intake and exhaust camshafts for Kawasaki Ninja ZX-10R supersport engine. Variable valve timing optimized lobes for 998cc spark-ignition powerplant. HTS 8409.91.99.90 as spark-ignition engine specific camshafts.
BMW S1000RR Connecting Rod Set
Titanium forged connecting rods with bushed big ends for BMW S1000RR superbike spark-ignition engine. H-beam design rated for 200+ hp at 14,000 RPM. Classified under 8409.91.99.90 for spark-ignition reciprocating engines.
Ducati Panigale V4 Valve Springs
Dual high-rate beehive valve springs for Ducati Panigale V4 Desmosedici Stradale 1103cc V4 spark-ignition engine. Titanium retainers and optimized spring rates for 15,500 RPM redline. HTS 8409.91.99.90 classification for engine-specific valvetrain.
Aprilia RSV4 Oil Pump Assembly
Wet sump trochoid oil pump with pressure relief for Aprilia RSV4 Factory V4 spark-ignition engine. Variable displacement design for 65-degree V4 1099cc configuration. Classified 8409.91.99.90 as spark-ignition engine lubrication part.
KTM 1290 Super Duke R Throttle Bodies
Ride-by-wire electronic throttle bodies with 52mm bores for KTM 1290 Super Duke R LC8 V-twin spark-ignition engine. Integrated TPS sensors and butterfly valves. HTS 8409.91.99.90 as spark-ignition intake system parts.
Triumph Daytona 675 Radiator Fan Assembly
Dual thermostatic radiator cooling fans for Triumph Daytona 675 inline-triple spark-ignition engine. PWM controlled with integrated shroud for 675cc supersport application. Classified under 8409.91.99.90 as engine cooling system parts.
Honda CBR1000RR Exhaust Valve Set
Inconel exhaust valves with stellite seats for Honda CBR1000RR Fireblade inline-four spark-ignition engine. 31mm diameter with +1mm oversize option for ported heads. HTS 8409.91.99.90 classification for high-performance valvetrain.
Yamaha R6 Ignition Coil Pack
Pencil-style ignition coil packs with integrated plug boots for Yamaha YZF-R6 supersport 599cc inline-four spark-ignition engine. 40kV output pencil coils. Classified 8409.91.99.90 as spark-ignition ignition system parts.
Suzuki Hayabusa Cam Chain Tensioner
Hydraulic automatic cam chain tensioner for Suzuki Hayabusa 1340cc inline-four spark-ignition engine. Ratcheting plunger design with OEM pressure specifications. HTS 8409.91.99.90 as timing chain system component.
Kawasaki Z900 Water Pump
Centrifugal impeller water pump with mechanical seal for Kawasaki Z900 948cc inline-four spark-ignition engine. Integrated thermostat housing with OEM flow specs. Classified under 8409.91.99.90 as liquid cooling pump.
BMW S1000R Alternator Rotor
Lightweight magnesium alternator rotor for BMW S1000R inline-four spark-ignition engine. 450W output at 9,500 RPM with OEM magnetic specifications. HTS 8409.91.99.90 as engine electrical generator rotor.
Ducati 1199 Panigale Clutch Basket
Anti-vibration clutch basket hub with scalloped arms for Ducati 1199 Panigale 1198cc Superquadro L-twin spark-ignition engine. Wet multi-plate clutch primary drive component. Classified 8409.91.99.90 as clutch assembly part.