Billet 4340 Chrome-Moly Connecting Rod for GM LS-Series from China
CNC-machined billet 4340 chrome-moly steel connecting rod set for GM LS1/LS3 V8 spark-ignition engines. Falls under HTS 8409.91.99.10 for its principal use in automotive spark-ignition piston engines, with rifle-drilled oiling passages.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.03.0110%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
9903.88.0325%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)
Import Tips
• Specify center-to-center length and big-end bore precisely in commercial invoice for verification
• For aftermarket parts, include dyno test data linking to specific engine models
• Avoid generic descriptions; detail heat treatment (e.g
• 35-38 Rockwell C) to prove quality