There are two valves per cylinder, and eight in the virginal b230, but they also made a dual over head camshaft 16 valve cylinder head, these are less common. There are two valves per cylinder, a total of eight in the virginal b230, but they also made a dual over head camshaft 16 valve cylinder head, these are less common.
The 2006 Volvo S60 has 20 valves.
The 2014 Volvo S80 has 24 valves.
The 2007 Volvo XC70 has 20 valves.
The 2012 Volvo XC90 has 24 valves.
The 2009 Volvo S80 has 24 valves.
The 2004 Volvo XC70 has 20 valves.
The 2010 Volvo C70 has 20 valves.
The 2014 Volvo S60 has 20 valves.
The 2003 Volvo XC90 has 20 valves.
The 2011 Volvo S60 has 24 valves.
The 2004 Volvo XC90 has 20 valves.
The 2008 Volvo XC90 has 24 valves.