2011-2018 GMC Sierra 2500HD 4x4 & 2wd - Tuff Country 2" Suspension Lift Kit (w/rear lift blocks)

Tuff Country GMC Sierra 2500HD 2
Tuff Country - 12034-gmc-sierra-lift-kit
Authorized Dealer
Tuff Country #12034
Tuff Country - 12034-gmc-sierra-lift-kit
Authorized Dealer
Sale Price:
  • $255.30
$319.13 Save: $63.83 (20%)
Save $25.53 more with Code: 10EXTRA - details


Usually Ships within 24 to 48 Hours (excluding Saturday and Sunday)
Arrives 1 to 5 days after product ships


Needing just a small amount of lift added to your GMC Sierra 2500HD? Tuff Country EZ-Ride Suspension's GMC Sierra 2500HD 2" Lift Kit is the perfect choice. This lift kit uses front replacement torsion bar keys and rear lift blocks to lift the vehicle. The included torsion bar keys reindex the factory 2500HD torsion bars which lifts the truck without "cranking up" the factory torsion bars. New shock absorbers are not required.

At Suspension Connection we are the #1 retailer of Tuff Country products in the world. Great prices, expert knowledge and exceptional customer service are why so many customers trust us with their Tuff Country purchase. Try us out!

Note: To purchase Tuff Country 12034KN (w/SX8000 Shocks) or 12034KH (w/SX6000 Shocks) please select in options above.

Tuff Country has been producing quality suspension products for over 25 years and backs all lift kits with a limited lifetime warranty. image

Features and Benefits

  • Get Additional Tire Clearance
  • Simple Bolt-on Installation
  • Cast Iron Lift Blocks designed specifically for the Sierra 2500HD
  • Heavy Duty replacement Torsion Bar Keys
  • Extened Ubolts and Upper Shock Extenders
  • Proudly Made in the USA - (many other brands are not)
  • Lifetime Warranty

Installation Notes

1. Factory shocks can be used with this suspension lift kit.
2. Torsion bar keys are designed to install with a stock suspension only.  Do not use with other types of lift kits.  Will void warranty.

Tech Specs

Download Instructions: 12034 Instructions
Average Install Time 4-6 Hours
Recommended Tire Size: N/A
Amount of Lift: 2" Front / 1" Rear
Items Included:

2) Front Torsion Bar Keys, 2) Rear Cast Iron 1" Lift Blocks, 4) Extended Rear U-bolts, 2) Front shocks relocation sleeves, 2) Hardware bags

Weight: 36.00 lbs.
Part 12034 fits:
  • 2018 GMC Sierra 2500HD
  • 2017 GMC Sierra 2500HD
  • 2016 GMC Sierra 2500HD
  • 2015 GMC Sierra 2500HD
  • 2014 GMC Sierra 2500HD
  • 2013 GMC Sierra 2500HD
  • 2012 GMC Sierra 2500HD
  • 2011 GMC Sierra 2500HD

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