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9031.80.80.70/SuperFlow SF-902 Engine Flow Bench/Japan

SuperFlow SF-902 Engine Flow Bench from Japan

SuperFlow SF-902 measures airflow, cylinder head flow, and intake/exhaust efficiency in IC engines. HTS 9031.80.80.70 applies to this specialized airflow testing equipment for engine performance optimization. Popular in performance racing.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Orifice flow meter calibration certificates required

• Heavy equipment needs proper lifting certifications for customs