[SR] Billet Aluminum Diff Drop Kit 2-4" Lift GMC Chevy HD 2500 3500 2011-up 4x4

GMC / Chevy HD 2500 & 3500 2011+ 4WD 8-Lug. are CNC machined out of 6061 T6 billet aluminum in Central Texas. Have you lifted your GMC or Chevy 4WD vehicle?. GMC Sierra 2500 2500HD 2011+ 4WD 8-Lug. GMC Sierra 3500 3500HD 2011 + 4WD 8-Lug.