Rough Country 7.5in Lift Kit - 2011-2015 2500HD/3500HD


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Rough Country 7.5in Lift Kit 


  • 11-15 Silverado 2500 HD 4WD
  • 11-15 Silverado 3500 HD 4WD

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Right off the lot The GM 2500 HD has an impressive stance and a killer look, inspiring Rough Country to build a kit that would add crucial enhancements while taking nothing away from this sharp looking, new model truck. The 7.5" N2 Suspension Lift for GM 2500 HD features a Non-Torsion Drop Design for better clearance and handling while maintaining proper angles in a "clean and tucked away" fashion. This kit also features Heavy Duty components worthy of the HD badge; With 1/4" thick steel crossmembers, 1/2" thick NTD Brackets, and a durable, thick Skid Plate - all laser-cut and powder coated in our "Hammer Black" color to match the factory components. Installation requires no drilling or modifying the differential, meaning no "invasive" mods to your new toy. A set of braided Stainless Steel Brake Lines hones the whole package in.

Our innovative HD lift doesn't just look like it came from the showroom floor, it drives like it did too. This kit doesn't widen the stock track width, and the Non Torsion Drop design keeps everything at optimum angles, leaving that factory feel to handling corners and turns. A full set of Nitrogen charged N2.0 Shock Absorbers offer 10-Stage velocity sensitive valving, and are custom valved for each model kit we offer - meaning you get a set of shocks designed to preserve your factory ride quality.

  • Maintains factory ride quality
  • Maintains the stock track width
  • Torsion bars stay in the factory location
  • Unmatched ground clearance
  • Axles maintain factory position and angle
  • No drilling or modifying of the differential
  • No drivetrain or exhaust modifications required
  • Includes application valved N2.0 series shock absorbers which offer the best in balanced performance for on and off-road use.

This product features Rough Country's Lifetime Replacement Warranty. All products are warranted to be free from defects in material and craftsmanship for the life of the vehicle if utilized in accordance with the manufacturer's instructions for installation and operation of said products.


2011-2015 4WD Chevrolet 2500 HD Pickup
2011-2015 4WD Chevrolet 3500 HD Pickup
2011-2015 4WD GMC 2500 HD Pickup
2011-2015 4WD GMC 3500 HD Pickup
  • Does NOT fit dually models.
  • Does NOT fit models w/rear overload springs


  • Lifted knuckles
  • Front crossmember
  • Rear crossmember
  • Differential drop brackets
  • Differential skid plate
  • Non-torsion bar drop brackets
  • Sway-bar link extensions
  • Sway-bar brackets
  • Upper shock brackets
  • Extended brake lines
  • Hardware
  • Lifted blocks
  • U-bolts
  • Bump-stop brackets
  • Brake line brackets
  • E-brake line bracket
  • Hardware
  • (4) Premium N2.0 series