The 2011 Chevrolet Express-Cargo has overhead valves (OHV).
The 2005 Chevrolet Express has overhead valves (OHV).
The 2014 Chevrolet Express has overhead valves (OHV).
The 2010 Chevrolet Express has overhead valves (OHV).
The 2007 Chevrolet Express has overhead valves (OHV).
The 2008 Chevrolet Express has overhead valves (OHV).
The 2012 Chevrolet Express has overhead valves (OHV).
The 2013 Chevrolet Express has overhead valves (OHV).
The 2003 Chevrolet Express has overhead valves (OHV).
The 2002 Chevrolet Express has overhead valves (OHV).
The 2009 Chevrolet Express has overhead valves (OHV).
The 2006 Chevrolet Express has overhead valves (OHV).