GENUINE MILLER TOOL. 2007 (CS, JS, KA, LX) – Systems (9 – Engine, 3.5L, 9 – Engine, 4.0L). 2008 (CS, JS, KA, LX, RT) – Systems (9 – Engine, 3.5L, 9 – Engine, 4.0L). 2009 (JC, JS, KA, LC, LX, RT) – Systems (9 – Engine, 3.5L, 9 – Engine, 4.0L).