GM LS3 Aluminum Engine Block from China

Semi-finished 6.2L LS3 aluminum engine block casting for GM Gen IV small block V8 spark-ignition engines. Features priority main oiling and 4.065-inch bore provisions. 8409.91.99 as principal unfinished part for spark-ignition piston engines.

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

Bore spacing and main cap girder design diagrams establish LS-series specificity

Machining allowance specifications distinguish from fully machined blocks (8483)

Foundry pour card and alloy certification (319 aluminum) required for validation