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7.5 Inch Lift Kit Chevy/GMC 2500HD/3500HD (11-19)

STARTING PRICE
$1,449.95
STARTING PRICE
$1,449.95
Configure Your Kit:
Select options

SKU:

25330-config


Brand:

Rough Country


Lowest Price Guarantee

Select Matching Wheels and Tires
Select Matching Wheels and Tires
FREE Mount, Balance, and Shipping!

Features

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" N3 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.
  • 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 our latest application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.
  • Optional Vertex Shocks

  • 8-Stage Adjustable Damping
  • Monotube Design
  • Nitrogen-Charged
  • Massive 2.5in Piston
  • 3-Stage Seal System
  • Heat-Treated, Alloy Bearing
  • 3-year Manufacturer's Warranty
  • Optional V2 Monotube Shocks

  • Incredible ride quality & performance
  • Monotube design
  • Nitrogen-charged
  • 46mm high-flow piston
  • Mounts inverted
  • 36kN Tensile Strength
  • 3-year Manufacturer's Warranty
  • Optional N3 Shocks

  • 10-Stage Variable Valving
  • High Pressure Nitrogen Charged
  • 35mm Piston
  • Chromed Hardened 18mm Piston Rod
  • 36kN Tensile Strength
  • Spring Loaded Piston Rod Seal
  • 3-year Limited Warranty
Fitment Notes
  • Does NOT fit dually models.
  • Does NOT fit models with Magnetic Ride Control.
  • Does NOT work with factory wheels.
  • If equipped with factory 17" wheels - new aftermarket wheels must be 17" or larger to clear brake calipers/rotor.
  • Gas models may require modification to the exhaust for driveshaft clearance.
  • Models equipped with factory rear overload springs require longer u-bolt kit SKU: 7664.
Warranty Details

Est. Install Time 8 - 10 hours

Shock Configuration Options

N3 Shock Pair
Premium N3
included
  • 10-Stage Variable Valving

  • High Pressure Nitrogen Charged

  • 35mm Piston

  • Chromed Hardened 18mm Piston Rod

  • 54mm Shock Body to dissipate heat faster

  • 36kN Tensile Strength

  • Spring Loaded Piston Rod Seal

  • Military Spec. Fluid Rated To –40° C

  • Rubber bushings for better absorption

  • Metallic Silver Paint

  • 3-year Manufacturer's Warranty

M1 Shock Pair
M1 Monotube
+$140.00
  • 2-inch seamless extruded tube.

  • 46mm digressive piston.

  • Self-adjusting, deflective-disc independent rebound and compression.

  • 18mm centerless-ground, case-hardened, chromed, and super-polished rod.

  • 46mm monotube design ensures consistent, fade-free performance in all conditions.

  • Digressive valving instantly reacts to changing surface conditions.

  • Zinc plated for resistance against harsh elements.

  • Available in various lift heights for multiple applications.

  • Durable vulcanized natural rubber bushings.

  • 3-year Manufacturer's Warranty

V2 Shock Pair
V2 Monotube
+$320.00
  • Incredible ride quality & performance

  • Monotube design

  • Internal floating piston

  • Nitrogen-charged

  • 46mm high-flow piston

  • Fast heat dissipation

  • 36kN Tensile Strength

  • Mounts inverted

  • T6061 brushed aluminum body

  • 3-year Manufacturer's Warranty

Vertex Shock Pair
Vertex Reservoir
+$1,600.00
  • 8-Stage Adjustable Damping

  • Monotube Design

  • Nitrogen-Charged

  • Remote Reservoir with Steel Braided Reservoir Line

  • Massive 2.5in Piston

  • 22mm Chrome-Hardened Piston Rod

  • Specifically Tuned for Each Application

  • 3-Stage Seal System

  • Heat-Treated, Alloy Bearing

  • Honed Steel Body

  • CNC-Machined Billet Aluminum Accents

  • Zinc Plate Finish with Double Clear Coat

  • Incredible >400 Hour Salt Spray Rating

  • 3-year Manufacturer's Warranty

Customer Support Headshot
Need Help?
Talk to a Build Expert
1-800-222-7023

Installation


GET IT INSTALLED

Don’t want to install it yourself? Search for installers in your area.


FITMENT

Vehicles
year: 2011 - 2019
make: Chevy
model: Silverado 3500 HD
drive: 4WD
year: 2011 - 2019
make: Chevy
model: Silverado 2500 HD
drive: 4WD
year: 2011 - 2019
make: Chevy
model: Silverado 3500 HD
drive: RWD
year: 2011 - 2019
make: Chevy
model: Silverado 2500 HD
drive: RWD
year: 2011 - 2019
make: GMC
model: Sierra 3500 HD
drive: 4WD
year: 2011 - 2019
make: GMC
model: Sierra 2500 HD
drive: 4WD
year: 2011 - 2019
make: GMC
model: Sierra 3500 HD
drive: RWD
year: 2011 - 2019
make: GMC
model: Sierra 2500 HD
drive: RWD

Always read all product page details for more important fitment information

Wheels & Tires
Filters
size: 35x12.50R17
Popular
wheel: 17x9
Bolt Pattern: 8x180
Wheel Offset: +0
note: -
Stance: 1
size: 35x12.50R18
Popular
wheel: 18x9
Bolt Pattern: 8x180
Wheel Offset: +0
note: -
Stance: 1
size: 35x12.50R20
Popular
wheel: 20x9
Bolt Pattern: 8x180
Wheel Offset: +0
note: -
Stance: 1
size: 35x12.50R22
Popular
wheel: 22x10
Bolt Pattern: 8x180
Wheel Offset: -19
note: Minor Trimming
Stance: 2
size: 35x12.50R17
wheel: 17x8.5
Bolt Pattern: 8x180
Wheel Offset: +0
note: -
Stance: 1
size: 35x12.50R17
wheel: 17x8.5
Bolt Pattern: 8x180
Wheel Offset: +1
note: -
Stance: 1
size: 35x12.50R17
wheel: 17x9
Bolt Pattern: 8x180
Wheel Offset: +1
note: -
Stance: 1
size: 35x12.50R18
wheel: 18x8.5
Bolt Pattern: 8x180
Wheel Offset: +0
note: -
Stance: 1
size: 35x12.50R18
wheel: 18x8.5
Bolt Pattern: 8x180
Wheel Offset: +1
note: -
Stance: 1
size: 285/75R18
wheel: 18x9
Bolt Pattern: 8x180
Wheel Offset: +0
note: -
Stance: 1
size: 285/75R18
wheel: 18x9
Bolt Pattern: 8x180
Wheel Offset: +1
note: -
Stance: 1
size: 35x12.50R18
wheel: 18x9
Bolt Pattern: 8x180
Wheel Offset: +1
note: -
Stance: 1
size: 35x12.50R18
wheel: 18x9
Bolt Pattern: 8x180
Wheel Offset: -12
note: -
Stance: 1
size: 295/60R20
wheel: 20x10
Bolt Pattern: 8x180
Wheel Offset: -18
note: Minor Trimming
Stance: 2
size: 295/60R20
wheel: 20x10
Bolt Pattern: 8x180
Wheel Offset: -19
note: Minor Trimming
Stance: 2
size: 35x12.50R20
wheel: 20x10
Bolt Pattern: 8x180
Wheel Offset: -18
note: Minor Trimming
Stance: 2
size: 35x12.50R20
wheel: 20x10
Bolt Pattern: 8x180
Wheel Offset: -19
note: Minor Trimming
Stance: 2
size: 35x12.50R20
wheel: 20x10
Bolt Pattern: 8x180
Wheel Offset: -25
note: Minor Trimming
Stance: 2
size: 35x12.50R20
wheel: 20x12
Bolt Pattern: 8x180
Wheel Offset: -44
note: Trimming Required
Stance: 2
size: 295/60R20
wheel: 20x9
Bolt Pattern: 8x180
Wheel Offset: +0
note: -
Stance: 1
size: 295/60R20
wheel: 20x9
Bolt Pattern: 8x180
Wheel Offset: +1
note: -
Stance: 1
size: 295/65R20
wheel: 20x9
Bolt Pattern: 8x180
Wheel Offset: -12
note: -
Stance: 1
size: 35x11.50R20
wheel: 20x9
Bolt Pattern: 8x180
Wheel Offset: -12
note: -
Stance: 1
size: 35x12.50R20
wheel: 20x9
Bolt Pattern: 8x180
Wheel Offset: +1
note: -
Stance: 1
size: 35x12.50R20
wheel: 20x9
Bolt Pattern: 8x180
Wheel Offset: -12
note: -
Stance: 1
size: 285/55R22
wheel: 22x10
Bolt Pattern: 8x180
Wheel Offset: -18
note: -
Stance: 1
size: 285/55R22
wheel: 22x10
Bolt Pattern: 8x180
Wheel Offset: -19
note: -
Stance: 2
size: 35x12.50R22
wheel: 22x10
Bolt Pattern: 8x180
Wheel Offset: -18
note: Minor Trimming
Stance: 2
size: 35x12.50R22
wheel: 22x10
Bolt Pattern: 8x180
Wheel Offset: -24
note: Minor Trimming
Stance: 2
size: 35x12.50R22
wheel: 22x10
Bolt Pattern: 8x180
Wheel Offset: -25
note: Minor Trimming
Stance: 2
size: 35x12.50R22
wheel: 22x12
Bolt Pattern: 8x180
Wheel Offset: -44
note: Trimming Required
Stance: 2

Due to differences in manufacturing, dimension and inflated measurements, tire & wheel combinations should be test fit prior to installation

Select Matching Wheels and Tires
Select Matching Wheels and Tires
FREE Mount, Balance, and Shipping!