The 2009 Chevrolet Colorado has double overhead cam (DOHC).
The 2008 Chevrolet Colorado has double overhead cam (DOHC).
The 2010 Chevrolet Colorado has double overhead cam (DOHC).
The 2004 Chevrolet Colorado has double overhead cam (DOHC).
The 2005 Chevrolet Colorado has double overhead cam (DOHC).
The 2011 Chevrolet Colorado has double overhead cam (DOHC).
The 2012 Chevrolet Colorado has double overhead cam (DOHC).
The 2007 Chevrolet Colorado has double overhead cam (DOHC).
The 2006 Chevrolet Impala has overhead valves (OHV).
The 2006 Chevrolet Suburban has overhead valves (OHV).
The 2006 Chevrolet Malibu has overhead valves (OHV).
The 2006 Chevrolet Corvette has overhead valves (OHV).