The 2010 Jeep Wrangler has overhead valves (OHV).
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They are in a way the same thing. The Jeep "SPORT" is a trim package of the jeep wrangler. A Jeep "TJ" Is the frame type TJ's were made from 97(produced in 96) until 2006 when they were replaced by the jeep JK. The wrangler before 1997 was the jeep YJ. Other trim packages in the 97 to 06 years where the SE, Sport, Sahara, Rubricon.
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).
The 2007 Jeep Wrangler has overhead valves (OHV).
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).