ressort avant et arriere 4" necessite le changement de l'arbre avant front tubular lower control arms with urethane bushings Lower control arm drop brackets drop pitman arm track bar relocation bracket front bumpstop spacers rear bumpstop extensions transfer case drop kit rear upper control arms bracket rear sway-bar brackets extended rear shocks mounting brackets 4x RC N2.0 series shocks Premium N2.0 amortisseur de direction models with the front CV shaft may require the replacement of the double CV shaft