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The 2001 Jeep Grand-Cherokee has overhead valves (OHV).
The 2002 Jeep Grand-Cherokee has overhead valves (OHV).
The 2003 Jeep Grand-Cherokee has overhead valves (OHV).
The 2004 Jeep Grand-Cherokee has overhead valves (OHV).
The 2007 Jeep Grand-Cherokee has single overhead cam (SOHC).
The 2012 Jeep Grand-Cherokee has double overhead cam (DOHC).
The 2009 Jeep Grand-Cherokee has single overhead cam (SOHC).
The 2005 Jeep Grand-Cherokee has single overhead cam (SOHC).
The 2014 Jeep Grand-Cherokee has double overhead cam (DOHC).
The 2011 Jeep Grand-Cherokee has double overhead cam (DOHC).
The 2006 Jeep Grand-Cherokee has single overhead cam (SOHC).