The Jeep Wrangler has four seats, as does the Jeep Wrangler Unlimited. There are, however, companies that manufacture a portable third row seat for use in the Jeep Wranglers to add extra space.
They made the Jeep Wrangler for many years and with many different drive lines. Be more specific and include more info in your question.
The 2014 Jeep Wrangler has 24 valves.
The 2005 Jeep Wrangler has 16 valves.
The 2004 Jeep Wrangler has 16 valves.
The 2009 Jeep Wrangler has 12 valves.
The 2008 Jeep Wrangler has 12 valves.
The 2006 Jeep Wrangler has 16 valves.
The 2001 Jeep Wrangler has 8 valves.
The 2003 Jeep Wrangler has 16 valves.
The 2007 Jeep Wrangler has 12 valves.
The 2002 Jeep Wrangler has 8 valves.
The 2013 Jeep Wrangler has 24 valves.