We found 2 dictionaries that define the word valve in head engines:

General (2 matching dictionaries)

1. valve-in-head engines: Merriam-Webster
2. valve-in-head engines, valve-in-head engines: Collins English Dictionary

▸ Words similar to valve in head engines ▸ Usage examples for valve in head engines ▸ Idioms related to valve in head engines ▸ Wikipedia articles (New!) ▸ Words that often appear near valve in head engines ▸ Rhymes of valve in head engines ▸ Invented words related to valve in head engines