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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.

Import Duty Rates by Country of Origin

Origin Country	MFN Rate	Ch.99 Surcharges	Total Effective Rate
🇨🇳China	2.5%	+35.0%	37.5%
🇲🇽Mexico	2.5%	+10.0%	12.5%
🇨🇦Canada	2.5%	+10.0%	12.5%
🇩🇪Germany	2.5%	+10.0%	12.5%
🇯🇵Japan	2.5%	+10.0%	12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8481.30.20Higher: 40% vs 37.5%

If classified as check valves

Certain engine valves may classify as general purpose check valves

7318.29.00Higher: 37.8% vs 37.5%

If imported as generic rivets/pins

Valve stem portions resemble iron/steel fasteners

8409.91.30Same rate: 37.5%

If for marine outboard engines

Marine engine valves have separate marine engine provisions

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Import Tips & Compliance

• Certify Inconel alloy composition and heat treatment for extreme temperature use,Include valve stem diameter and seat angle matching specific cylinder heads,Document flow bench test results proving engine-specific performance

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