Multi-valve
（重定向自Multivalve）
![A cylinder head of a four valve engine.( Nissan VQ engine )](/Images/godic/202501/28/Nissan_VQ35DE_0053707.jpg")
![Cutaway model of Subaru's i-AVLS variable valve timing system on SOHC 4-valve-per-cylinder EJ25 boxer engine at Tokyo Motor Show 2007.](/Images/godic/202501/28/SUBARU_EJ25_i-AVLS3708.jpg")
![Combustion chamber of a 2009 Ford Ecoboost 3.5-liter turbocharged V6 petrol engine (77.8 kW/liter) showing two intake valves (right), two exhaust valves (left), centrally placed spark plug, and direct fuel injector (right).](/Images/godic/202501/28/3.5EcoboostCombustion3708.jpg")
![A cylinder head from a 1987 Honda CRX Si showing SOHC, rocker arms, valve springs, and other components. This is a multi-valve configuration with two intake valves and one exhaust valve for each cylinder.](/Images/godic/202501/28/Head_D15A33708.JPG")
In automotive engineering a multi-valve or multivalve engine is one where each cylinder has more than two valves. A multi-valve engine has better breathing and may be able to operate at higher revolutions per minute (RPM) than a two-valve engine, delivering more power.