2011-2016 GMC Sierra 2500HD 4x4 & 2wd - 2" Front Leveling Kit (Torsion Bar Keys)

GMC Sierra 2500HD Leveling Kit 2011-2016 by Tuff Country #12004
Tuff Country - 12004-sierra-leveling-kit
Authorized Dealer
Tuff Country #12004
Tuff Country - 12004-sierra-leveling-kit
Authorized Dealer
Sale Price:
  • $146.04
$175.95 Save: $29.91 (17%)
Save $14.60 more with Code: 10EXTRA - details
Usually Ships within 24 to 48 Hours (excluding Saturday and Sunday)
Arrives 1 to 5 days after product ships


Tuff Country EZ-Ride Suspension's GMC Sierra 2500HD truck torsion bar keys (leveling kit) are designed to level trucks equipped with factory torsion bars. These easy to install replacement torsion bar keys reindex the factory torsion bars which levels the truck without "cranking up" the factory torsion bars.

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 purchases. Try us out!

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

  • Constructed of high quality steel
  • Heavy Duty GMC Sierra 2500HD torsion bar keys
  • Bolt-on installation
  • Level front of your Chevy with rear
  • New shocks not required
  • No need to "crank up" torsion bars
  • Proudly Made in the USA - (many other brands are not)
  • Lifetime Warranty

Installation Notes

1. Once installed torsion bar keys (regardless of brand) can result in a harsher ride.
2. New extended shocks are not required to install this leveling kit properly.
3. 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 12004 Instructions
Recommended Tire Size: n/a
Amount of Lift: 2" Front / 0" Rear
Items Included: 2) Torsion Bar Keys  
Weight: 15.00 lbs.
Part 12004 fits:
  • 2016 GMC Sierra 2500HD & 2500HD 4wd & 2wd
  • 2015 GMC Sierra 2500HD & 2500HD 4wd & 2wd
  • 2014 GMC Sierra 2500HD & 2500HD 4wd & 2wd
  • 2013 GMC Sierra 2500HD & 2500HD 4wd & 2wd
  • 2012 GMC Sierra 2500HD & 2500HD 4wd & 2wd
  • 2011 GMC Sierra 2500HD & 2500HD 4wd & 2wd

Customer Questions & Answers

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  • 4.7 out of 3 Overall
  • 100% reviews recommend this product
Review Product
nice kit
does the job, easy install, looking good.
Recommend this Product: YES
2011 GMC Sierra 2500hd
– Value
– Quality
– Installation
my GMC looking much better with this leveling kit installed onto it. looks like it can carry its weight well. Loving it.
Recommend this Product: YES
2012 2500hd
– Value
– Quality
– Installation
perfect fit kit is complete instructions very clear
you do not need there "special tool" just a c-clamp with the swivel removed.
Recommend this Product: YES
2014 GMC 2500HD
– Value
– Quality
– Installation