Retrax IX 07 13 Silv Sierra 1500 07 14 HD 6'6" 2015 chrysler 300 c platinum esi2013177 Utilizing our forged upper control BCJH_760048 19 Utilizing our forged upper control arms and differential drop spacers this kit allows you to retain factory like geometry and provides enough clearance to run 33" tires with appropriate wheel backspacing The factory Ram Radius Arms are relocated with heavy duty 1 4in thick steel brackets for proper caster with the 5in lift The Retrax IX is a flush mounted retractable tonneau cover constructed of durable aluminum slats linked by a strong elastomer hinge helping to eliminate the opportunity for water and debris to enter your truck bed