Dana 30/44 JK Heavy Duty Ball Joints Fits 2007 to 2016 Wrangler, Rubicon and Unlimited;2 and 4-door models;Fits 1999 to 2004 WJ Grand Cherokee;Includes 2 upper and 2 lower ball joints;High strength steel socket inner insert;Made of 4140 Chromolly steel JEEP GRAND CHEROKEE (WJ) WRANGLER (JK) 70TH ANNIVERSARY ISLANDER LAREDO LIMITED MOUNTAIN OVERLAND RUBICON SAHARA SPECIAL EDITION SPORT UNLIMITED ISLANDER UNLIMITED MOUNTAIN UNLIMITED RUBICON UNLIMITED SAHARA UNLIMITED SPORT UNLIMITED X X 1999 2000 2001 2002 2003 2004 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 3.6L ERB (220) Pentastar 3.8L (3778cc) 4.7L Power-Tech (285) 4.7L Power-Tech HO (285) 4L Power Tech (242) GAS with Lubeable Alloy USA Alloy USA Dana 30/44 JK Heavy Duty Ball Joints - 11800 11800 Axle Ball Joints