Front 8-Lug Locking Hub Conversion Kit with Slotted Rotors Fits 2007 to 2016 JK Wrangler, Rubicon and Unlimited;2 and 4-door models;Dana 30 and 44 axles;Front full float conversion;Forged 4140 chromoly spindle;Kit features forged 4340 chromoly 35 spline stub shafts;Dramatically reduce bearing load;8 on 6.5 wheel bolt pattern;High surface area engagement with extreme durability;Includes the TeraFlex performance rotor kit;Note: 2007-2012 Dana 30 axles will require new inner shafts with the larger u-joint end forgings;Brake kit not included JEEP WRANGLER (JK) 70TH ANNIVERSARY ISLANDER MOUNTAIN RUBICON SAHARA SPORT SPORT S UNLIMITED 70TH ANNIVERSARY UNLIMITED ISLANDER UNLIMITED MOUNTAIN UNLIMITED RUBICON UNLIMITED SAHARA UNLIMITED SPORT UNLIMITED SPORT S UNLIMITED X X 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 3.6L ERB (220) Pentastar 3.8L (3778cc) GAS with Serviceable Wheel Bearings TeraFlex TeraFlex Front 8-Lug Locking Hub Conversion Kit with Slotted Rotors - 3034410 3034410 Hub Conversions