New

Ask Wove anything about tariffs.

Try Tariff Assistant

Premium Unleaded Octane Plus Treatment from Japan

Consumer octane booster using proprietary ether technology for safe use in modern vehicles. Falls under HTS 3811.19.00.00 as other antiknock preparation for retail gasoline. CARB-approved for California emissions standards.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• CARB Executive Order number required for California sales; include consumer dosage instructions; test for valve seat recession prevention in older engines