2001-10 4WD Chevy Silverado, GMC Sierra 2500HD 6" lift kit, N3 Nitro shocks

$1,099.95
Product No
29730A-HK
FREE SHIPPING Lower 48 States

Important Notes

* Requires minor modification to front differential.
* If equipped with factory 17" wheels, then 17" or larger aftermarket wheels must be used.
* If equipped with gas motor, the exhaust reroute modification may be needed to clear front driveshaft.
* Torsion bar unloading tool required for installation. Available below.

Quick Overview

Rough Country has what you need to run 35" tires on your Silverado or Sierra 2500HD truck. This 6" lift kit features CNC machined knuckles along with both front and rear heavy-duty laser cut crossmembers. You'll gain increased ground clearance without sacrificing the factory ride quality.


N3 Nitrogen charged shocks have 10-stage variable valving to create a fantastic blend of smooth street riding and off-road action. With a durable 18mm spring-loaded piston rod and faster-cooling 54mm shock body, this shock offers up to 36kN Tensile Strength for a long lifespan of impressive vibration dampening. Natural rubber bushings and an eye-catching metallic silver paint combine to make an impressive statement.  Included in this 6" lift kit for your Silverado or Sierra are the following:



  • Lifted knuckles

  • Front and crossmembers

  • Differential drop brackets

  • Lower integrated HD skid plate

  • CV spacers

  • Sway-bar links

  • Lifted blocks with u-bolts

  • N3 Nitro shocks

  • Lifetime Replacement Warranty


View lift kit installation instructions

    • Make: Chevrolet, GMC
    • Model: 2500HD
    • Vehicle: 2001-10 Silverado, Sierra 2500HD, 6" lift kit, N3 Nitro shocks
    • 2or4: 4WD
    • Tire Size: 35X12.50
    • Upsell: 87317 HK, 1115 HK, 1297BOX6 HK, 1067 HK, 1144 HK, 1095 HK, 1297-1 HK
    • Initialize: 1

Rough Country lift kit fits the following models:
2001 Silverado 2500HD
2002 Silverado 2500HD
2003 Silverado 2500HD
2004 Silverado 2500HD
2005 Silverado 2500HD
2006 Silverado 2500HD
2007 Silverado 2500HD
2008 Silverado 2500HD
2009 Silverado 2500HD
2010 Silverado 2500HD

2001 Sierra 2500HD
2002 Sierra 2500HD
2003 Sierra 2500HD
2004 Sierra 2500HD
2005 Sierra 2500HD
2006 Sierra 2500HD
2007 Sierra 2500HD
2008 Sierra 2500HD
2009 Sierra 2500HD
2010 Sierra 2500HD

© 2025 Rocky Mountain Suspension. All Rights Reserved.  |  Privacy Policy.  |  Website by Bennett Web Group