Cold chamber dies casting is preferred for aluminium castings as molten aluminium dissolves ferrous parts of the mould in hot chamber die casting.

Source: https://www.prnewswire.com/news-releases/aluminium-casting-market-in-india-to-grow-by-660-88-thousand-tons-from-2021-to-2026--the-growing-use-of-aluminium-casting-in-the-automotive-industry-drives-the-market---technavio-301908943.html

Not to mention, per the castings, the studio does want a mix that has younger heroes.

Source: https://www.cbr.com/booster-gold-dcu-tv-series-rudy-pankow/

Revitalize last year’s raised beds and planting containers by layering on compost, worm castings and organic vegetable fertilizer.

Source: https://www.sandiegouniontribune.com/lifestyle/home-and-garden/story/2023-05-06/this-year-garden-tasks-in-may-require-a-different-timeline

There have not been any other listed castings for a younger Jason Voorhees at this point, but that doesn’t necessarily mean there won’t be flashback scenes that show Jason as a young child.

Source: https://collider.com/crystal-lake-series-cast-plot-creators-release-window-friday-the-13th/