non-gas turbines Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.30.11 Tip assemblies of nickel alloy, for use in non-aircraft gas turbines of heading 8411 (provided for in subheading 8411.99.90) Free No change No change On or before 12/31/2025 . 11991. High pressure fuel pumps Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.30.12 High pressure fuel pumps, each incorporating a dual layered damper enclosed with a multi-step stamped cover to aid in stabilizing pressure, certified by the importer to be used in regulating the fuel supply into the fuel rail, designed for use in gasoline direct injection (GDI) spark-ignition internal combustion piston engines (provided for in subheading 8413.30.90)