The 2004 Jeep Wrangler has double overhead cam (DOHC).
The 2003 Jeep Wrangler has double overhead cam (DOHC).
The 2005 Jeep Wrangler has double overhead cam (DOHC).
The 2014 Jeep Wrangler has double overhead cam (DOHC).
The 2006 Jeep Wrangler has double overhead cam (DOHC).
The 2013 Jeep Wrangler has double overhead cam (DOHC).
The 2012 Jeep Wrangler has double overhead cam (DOHC).
The 2001 Jeep Wrangler has overhead valves (OHV).
The 2009 Jeep Wrangler has overhead valves (OHV).
The 2008 Jeep Wrangler has overhead valves (OHV).
The 2011 Jeep Wrangler has overhead valves (OHV).
The 2002 Jeep Wrangler has overhead valves (OHV).