What is another word for christmas-tree side valve?
Pronunciation: [kɹˈɪsməstɹˈiː sˈa͡ɪd vˈalv] (IPA) 
The term "Christmas-tree side valve" is a specific reference to a type of engine valve used in vintage and classic vehicles. However, there are several other terms that can be used as synonyms for this particular valve type. These include "T-head valve," "L-head valve," "flathead valve," and "side-draft valve." Each of these terms refers to an engine valve that is positioned in a slightly different way in relation to the cylinder head and combustion chamber. Regardless of the name used, these types of valves are commonly associated with older vehicles and are typically not seen in modern cars and trucks.
