The JK was initial available for purchase with the 2007 design yr, beginning in August 2006. The 2007 product 12 months brought a whole redesign with the Jeep Wrangler, and also a four-doorway product. The TJ chassis was changed by an all new JK System.The Dana 30 axle has become in use for over 50 a long time and is on the market in many various r