Product page is node 5166 and is built with a custom template in the theme node--5166--full.html.twig. Slider is pulling info from Brand Pages. For example https://greatbourbon.com/node/3002/edit

On Experimental Collection Page https://greatbourbon.com/products#Experimental_Collection years are connected to the Experimental Collections content type.

Experimental Collections follow this format https://greatbourbon.com/node/9220/edit

Their information can be pulled from the pdf of the experimental collections catalog http://greatbourbon.com/sites/default/files/tradeassets/BT-7469-Experimental%20Collection%20Catalogue-2021-PROOF.pdf  found on https://greatbourbon.com/products#Experimental_Collection