4 PCS Front&Rear Bump Stops 52060428AB for Jeep Wrangler JK JKU 2007-2018 Axle Jounce Bumpers 52060423AB Compatible Model: The front and rear bump stops compatible with Wrangler JK 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018, Replace 52060428AB 52060423AB High Quality Material: The jounce bumper is made of high-quality polyurethane foam, which has higher hardness and durability, It is shorter, softer, crack resistant and has a longer service life than other polymer crash pads Reliable and Safe: Control arm jounce bumpers, 2.6 'in diameter and 3' in height, Each anti-collision block has passed strict quality test before leaving the factory, It is safe and reliable, allowing you to have a better driving experience Easy to Install: The bump stops can directly replace your old anti-collision block, You just need to jack up the pickup, pull out the old hard shell bump buffer, and then directly knock it in, The installation is simple and convenient, saving you time and money Package Contain: 2 x Front bump stop, 2 x Rear bump stop