Tuff Country EZ-Ride Suspension's GMC Sierra 3500HD 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.

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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 3500HD 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 lbs.
Part 12004 fits:
  • 2015 GMC Sierra 3500 / 3500HD 4wd & 2wd
  • 2014 GMC Sierra 3500 / 3500HD 4wd & 2wd
  • 2013 GMC Sierra 3500 / 3500HD 4wd & 2wd
  • 2012 GMC Sierra 3500 / 3500HD 4wd & 2wd
  • 2011 GMC Sierra 3500 / 3500HD 4wd & 2wd

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