Racing 45cc Shifter Kart Engine from Mexico
High-performance 45cc spark-ignition piston engine with gearbox, tuned to 4HP (<746W), for junior shifter karts competing under Chapter 87 vehicle definitions. HTS 8407.31.0040 classification reflects its sub-50cc capacity and vehicle racing propulsion role.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.94.0525%Except for products described in headings 9903.94.06, 9903.94.32, 9903.94.33, 9903.94.42, 9903.94.43, 9903.94.44, 9903.94.45, 9903.94.52, 9903.94.53, 9903.94.54, 9903.94.55, 9903.94.62, 9903.94.63, 9903.94.66 and 9903.94.67, automobile parts, as provided for in subdivision (g) of U.S. note 33 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Document racing series homologation to prove vehicle propulsion credentials
• Dyno certify post-tuning power remains <746W; racing mods frequently trigger reclassification
• Ship with technical service manuals specifying Chapter 87 applications