DVVL Mechanical component From Wikipedia, the free encyclopedia DVVL[1] is an acronym for Discrete variable valve lift, a mechanical component of which two types exist: DVVLd, includes dual cam phasing. DVVLi, includes intake valve cam phasing. References [1]"Discrete variable valve lift engine systems and methods | TREA". trea.com. Retrieved 29 May 2025. This article about a mechanical engineering topic is a stub. You can help Wikipedia by adding missing information.vte Related Articles