Lift Kits for 2008 GMC Sierra 3500 HD Vehicles

Listed below are the Lift Kits that are designed to work with the 2008 GMC Sierra 3500 HD. Please review the vehicle options and installation notes, to ensure you select the correct product for your GMC Sierra 3500 HD. Need assistance selecting the right Tuff Country or Rough Country product? We're here to help - please call us at 1-800-358-4751.

Discover the right lift kit for your GMC vehicle. Choose your model year below.

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Rough Country Lift Kits

Tuff Country Lift Kits

6 Inch Lift Kits

2 Inch Lift Kits
  1. Tuff Country
  2. Rough Country
  1. Add-A-Leaf
  2. Block
  3. Lifted Knuckles/Blocks
  1. 1"
  2. 2"
  1. 2"
  1. 35"
Part#: RC220.20

Availability: Typically ships in 1 business day.
Your Price $1,195.95
List Price $1,554.94
You Save $358.99 - 23%
YearMakeModelVehicle OptionInstallation Notes
2008 GMC Sierra 3500 HDFits 2WD models ONLY. Does NOT fit dually models. If equipped with factory 17-inch wheels and purchasing new wheels - the new wheels must be 17-inch or larger. Use of a 35 x 12.50 tire may require modification to the front valance. Torsion bar unloading tool (#1067) required for installation.
Rough Country 6 inch Suspension Lift Kit 220.20 for the 2WD Silverado and Sierra 2500HD and 3500HD features everything you need to run up to 35x12.50 tires on factory 17-inch wheels. The kit includes CNC machined lifted knuckles, a set of front and rear high-clearance crossmembers and front and rear Premium N2.0 series shocks.


Part#: TC-12924

Availability: 1 In Stock as of 2/9/2016 2:30:08 PM EST.
Your Price $192.72
List Price $227.76
You Save $35.04 - 15%
YearMakeModelVehicle OptionInstallation Notes
2008 GMC Sierra 3500 HDFits 4 Wheel DriveModels with purple marked factory torsion bar keys use part number 12954.
Tuff Country 2 inch Lift Kit includes rear add-a-leafs. Does not include shock absorbers. Fits Silverado and Sierra 2500HD and 3500HD trucks.
  • Front Lift Height:2"
  • Rear Lift Height:2"
  • Lift Type:Add-A-Leaf
  • Recommended Tire Size31 x 10.50
  • Instructions:Tuff Country 12924 instructions
  • Box Kit(1) 12924
  • Front SpringsNA
  • Rear SpringsNA
  • Steering CorrectionNA
  • Front Shock:NA
  • Rear Shock:NA
  • Boot Included:NA
  • Manufacturers Part Number:12924


Part#: TC-12924KH

Availability: Typically ships in 2 to 3 business days.
Your Price $357.15
List Price $454.56
You Save $97.41 - 21%
YearMakeModelVehicle OptionInstallation Notes
2008 GMC Sierra 3500 HDFits 4 Wheel DriveModels with purple marked factory torsion bar keys use part number 12954KH.
Tuff Country 2 inch Lift Kit with rear add-a-leafs. Includes SX6000 shocks and Black shock boots. Fits Silverado and Sierra 2500HD and 3500HD trucks.
  • Front Lift Height:2"
  • Rear Lift Height:2"
  • Lift Type:Add-A-Leaf
  • Recommended Tire Size31 x 10.50
  • Instructions:Tuff Country 12924KH instructions
  • Box Kit(1) 12924
  • Front SpringsNA
  • Rear SpringsNA
  • Steering CorrectionNA
  • Front Shock:(2) 62182
  • Rear Shock:(2) 62301
  • Boot Included:(2) 69127
  • Manufacturers Part Number:12924KH


Part#: TC-12924KN

Availability: Typically ships in 2 to 3 business days.
Your Price $354.47
List Price $451.14
You Save $96.67 - 21%
YearMakeModelVehicle OptionInstallation Notes
2008 GMC Sierra 3500 HDFits 4 Wheel DriveModels with purple marked factory torsion bar keys use part number 12954KN.
Tuff Country 2 inch Lift Kit with rear add-a-leafs. Includes SX8000 shocks and Black shock boots. Fits Silverado and Sierra 2500HD and 3500HD trucks.
  • Front Lift Height:2"
  • Rear Lift Height:2"
  • Lift Type:Add-A-Leaf
  • Recommended Tire Size31 x 10.50
  • Instructions:Tuff Country 12924KN instructions
  • Box Kit(1) 12924
  • Front SpringsNA
  • Rear SpringsNA
  • Steering CorrectionNA
  • Front Shock:(2) 61182
  • Rear Shock:(2) 61301
  • Boot Included:(2) 69127
  • Manufacturers Part Number:12924KN


Part#: TC-12934

Availability: 1 In Stock as of 2/9/2016 2:30:08 PM EST.
Your Price $198.22
List Price $234.26
You Save $36.04 - 15%
YearMakeModelVehicle OptionInstallation Notes
2008 GMC Sierra 3500 HDFits 4 Wheel DriveModels with purple marked factory torsion bar keys use part number 12964.
Tuff Country 2 inch Lift Kit includes rear lifted blocks and U-bolts. Does not include shock absorbers. Fits Silverado and Sierra 2500HD and 3500HD trucks.
  • Front Lift Height:2"
  • Rear Lift Height:1"
  • Lift Type:Block
  • Recommended Tire Size31 x 10.50
  • Box Kit(1) 12934
  • Front SpringsNA
  • Rear SpringsNA
  • Steering CorrectionNA
  • Front Shock:NA
  • Rear Shock:NA
  • Boot Included:NA
  • Manufacturers Part Number:12934


Part#: TC-12934KH

Availability: Typically ships in 2 to 3 business days.
Your Price $343.34
List Price $436.98
You Save $93.64 - 21%
YearMakeModelVehicle OptionInstallation Notes
2008 GMC Sierra 3500 HDFits 4 Wheel DriveModels with purple marked factory torsion bar keys use part number 12964KH.
Tuff Country 2 inch Lift Kit with rear lifted blocks and U-bolts. Includes SX6000 shocks and Black shock boots. Fits Silverado and Sierra 2500HD and 3500HD trucks.
  • Front Lift Height:2"
  • Rear Lift Height:1"
  • Lift Type:Block
  • Recommended Tire Size31 x 10.50
  • Box Kit(1) 12934
  • Front SpringsNA
  • Rear SpringsNA
  • Steering CorrectionNA
  • Front Shock:(2) 62182
  • Rear Shock:(2) 62301
  • Boot Included:(2) 69127
  • Manufacturers Part Number:12934KH


Part#: TC-12934KN

Availability: Typically ships in 2 to 3 business days.
Your Price $340.65
List Price $433.56
You Save $92.91 - 21%
YearMakeModelVehicle OptionInstallation Notes
2008 GMC Sierra 3500 HDFits 4 Wheel DriveModels with purple marked factory torsion bar keys use part number 12964KN.
Tuff Country 2 inch Lift Kit with rear lifted blocks and U-bolts. Includes SX8000 shocks and Black shock boots. Fits Silverado and Sierra 2500HD and 3500HD trucks.
  • Front Lift Height:2"
  • Rear Lift Height:1"
  • Lift Type:Block
  • Recommended Tire Size31 x 10.50
  • Box Kit(1) 12934
  • Front SpringsNA
  • Rear SpringsNA
  • Steering CorrectionNA
  • Front Shock:(2) 61182
  • Rear Shock:(2) 61301
  • Boot Included:(2) 69127
  • Manufacturers Part Number:12934KN


Part#: TC-12964

Availability: Typically ships in 2 to 3 business days.
Your Price $214.23
List Price $234.26
You Save $20.03 - 9%
YearMakeModelVehicle OptionInstallation Notes
2008 GMC Sierra 3500 HDFits 4 Wheel DriveFor use with models with purple marked factory torsion bar keys only. For non-purple marked keys use Tuff Country kit 12934.
Tuff Country 2 inch Lift Kit includes rear lifted blocks and U-bolts. Does not include shock absorbers. Fits Silverado and Sierra 2500HD and 3500HD trucks. For use on vehicles with purple marked factory torsion bar keys .
  • Front Lift Height:2"
  • Rear Lift Height:1"
  • Lift Type:Block
  • Recommended Tire Size31 x 10.50
  • Note:Product may vary from image shown.
  • Box Kit(1) 12964
  • Front SpringsNA
  • Rear SpringsNA
  • Steering CorrectionNA
  • Front Shock:NA
  • Rear Shock:NA
  • Boot Included:NA
  • Manufacturers Part Number:12964


GMC is one of the top American truck manufacturers on the market today, and we’ve got the parts to boost your vehicle’s suspension. Each lift kit is designed specifically for your model, from the midsize Canyon to the powerhouse Sierra, for an upgrade that will improve clearance and allow for larger tires. We also have kits for SUVs, such as the Yukon. These kits are built to last and come from the best brands in the industry. With lift kit options that include two and four wheel drive, you’ll find just what you need for an enhanced off road capability. Check out other accessories and suspension components to get the best ride out of your suspension. Have a question for us? Reach out to our suspension experts at 800-358-4751.

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