GMC Sierra HD Parts

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Zone Offroad
  • 2" Leveling Kit
  • Will fit AT4 models. Will fit gas and diesel equipped models.
  • A pair of cast iron torsion bar keys are at the heart of this 2" leveling kit that delivers a leveled stance, comfortable ride and handling and clearance for up to 35" tires. Specially engineered to allow re-use of factory shocks with the supplied upper shock extensions, this kit provides more suspension travel without inducing worry of overextending at full droop.
  • In the box: Shock Spacers - Front Torsion Bar Keys
  • Product Attributes:
    • Front Lift Method: Torsion Key
    • Cutting Required: No
    • Wheel Size: Stock
    • Back Spacing: Stock
    • Finish: E-coat
    • Front Lift Height: 2"
    • Lift Type: Leveling Kit
    • Welding Required: No
    • Rear Lift Height: -
    • Accommodates Factory Wheels: Yes
    • Max Tire Size: 35 X 12.5
    • Material: Cast Iron
  • Features:
    • Nodular cast iron torsion bar keys featured indexed slot to lift/level stance
    • Shock extensions to allow use of factory shocks while properly limiting droop travel
    • Torsion bar bolt keepers ensure bolt correct engagement and positioning
    • Levels stance and allows clearance for 35" tires
    • Quick install with easy to follow instructions
    • Includes Factory Protection Plus warranty
  • Shop Zone Leveling Kits for Truck and Jeep! Get a level appearance plus additional clearance with a Zone Offroad Leveling Kit for Chevy / GMC, Ford, RAM, Dodge, Toyota, and Nissan trucks as well as Jeeps. Leveling Kits are available in 1" to 2.5" heights depending on the application. Zone Offroad's research and development team designs affordable, bolt-on solutions for each truck to ensure proper fitment including coil spring spacers, strut spacers, and torsion key kits -- all the way up to our control arm leveling kits for GM and RAM applications. All Zone Offroad Leveling Kits are made in the USA and powder-coated. 1 Inch to 2.5 Inch Front Lift Heights | Affordable Leveling Solution | Smooth, factory-like ride quality | Easy to Install - Bolt On | Designed to not damage the vehicle

Additional Fitment Information:
Vehicle Sub Model
2020 - GMC Sierra HD Denali

Zone Offroad
  • 3" Adventure Series Lift Kit
  • Available for models with and without top mounted rear overload springs - be sure to select correct kit below for your application. Minor trimming may be required, especially if a wheel backspace of less the specified is used. Optional steering stabilizer (PN# 7103) only fits vehicles that came equipped with a steering stabilizer from the factory. Requires 1/4" wheel spacer to accommodate stock 20" rims.
  • Take your Chevy/GMC HD to new heights with this 3" adventure series lift kit from Zone Offroad. Kits include everything needed from high strength upper control arms and indexed torsion bar keys to differential relocation spacers and a rear lift block kit to complete the install. Get the look, performance, and capability your truck deserves with clearance for up to 35" tires.
  • In the box: All Necessary Mounting / Installation Hardware Differential Drop Brackets Rear Lift Blocks Torsion Bar Keys U-Bolts Upper Control Arms
  • Product Attributes:
    • Front Lift Method: Torsion Key
    • Cutting Required: No
    • Wheel Size: 17 X 9
    • Max Tire Size 3: 35 X 12.5
    • Back Spacing: 5.5"
    • Finish: Powdercoat
    • Front Lift Height: 3"
    • Max Tire Size 2: 35 X 12.5
    • Lift Type: Lift Kit
    • Rear Lift Method: Cast Blocks
    • Welding Required: No
    • Wheel Size 2: 18 X 9
    • Wheel Size 3: 20 X 9
    • Accommodates Factory Wheels: See Notes
    • Rear Lift Height: 2"
    • Back Spacing 2: 6"
    • Back Spacing 3: 6"
    • Max Tire Size: 34 X 11.5
  • Features:
    • Adventure series fully boxed HD upper control arms for improved strength and suspension travel
    • Improved ride quality and suspension travel over standard "leveling kits"
    • Front differential drop included to correct CV shaft angles
    • Rear 2" rear block kit will net a level to slightly tail high stance
    • Indexed torsion bar keys to set ride height
    • Allows clearance for up to 35" tires
  • Zone Offroad produces heavy-duty lift kits for Chevrolet, GMC, Ford, RAM, Dodge Toyota, and Jeep trucks. A variety of lift heights are available to suit your truck's tire and ground clearance from 2", 3", 4" & 6". Lift kit features may include heavy-duty crossmembers, steering knuckles, strut spacers, and rear block kits to level out the stance. Custom-valved shock absorbers are available to improve performance and ride-quality on and off-road. All suspension systems are made in the USA and powdercoated for a long-lasting appearance. Shop Zone affordable and quality suspension lift kit systems!

Additional Fitment Information:
Vehicle Drive Type
2012 - GMC Sierra HD 4WD

Zone Offroad
  • 3" Adventure Series Lift Kit
  • Stock wheels with stock tires can be installed, however clearance are very tight to the upper control arms. Proper torsion bar key unloading tool required, (Kent Moore #CH48809 or equivalent) Will work on gas or diesel models. Will work on standard and AT4 models. Not recommended for DRW applications (may require custom u-bolts) Stock wheels with stock tires can be installed, however clearance are very tight to the upper control arms. Proper torsion bar key unloading tool required, (Kent Moore #CH48809 or equivalent) Will work on gas or diesel models. Will work on standard and AT4 models. Not recommended for DRW applications (may require custom u-bolts)
  • Take your new HD to the next level with the 3" Adventure Series Lift Kit from Zone Offroad. Engineered for easy bolt on fitment and improved travel, these 3? Adventure Series Lift Kits bridge that gap between an entry level leveling kit and full IFS lift system offering next level performance without the cost and extensive installation. The heart of this new system is a pair of heavy duty replacement upper control arms (UCAs) designed to improve range of motion for more suspension travel when wheeling in rough terrain. These new control arms dwarf the factory units and are built from high strnegth steel, boxed and fully welded with CNC-machined bushing and ball joint cups repositioned to operate in the neutral position at 3? of lift. They use OE durometer rubber bushings and greaseable OE-style heavy duty ball joints for quiet, reliable operation and superior corrosion resistance to uniball style control arms. Along with the arms, a pair of reindexed cast steel torsion bar keys are sup
  • In the box: Rear Lift Block & U-Bolt Kit Torsion Bar Keys Upper Control Arms Sway Bar Relocation Differential Relocation
  • Product Attributes:
    • Front Lift Method: Torsion Key
    • Wheel Size: 20 X 9
    • Max Tire Size 3: 285 X 65
    • Back Spacing: 5-5.75"
    • Finish: Powdercoat
    • Front Lift Height: 3"
    • Max Tire Size 2: 295 / 60
    • Lift Type: Lift Kit
    • Rear Lift Method: Fabricated Blocks
    • Wheel Size 2: 20 X 9
    • Wheel Size 3: 20 X 9
    • Rear Lift Height: 2"
    • Back Spacing 2: 5-6.18"
    • Back Spacing 3: 5-6.18"
    • Max Tire Size: 35 X 12.5
    • Material: Steel
  • Features:
    • High strength UCAs are boxed and fully welded. They are specially designed with an indexed ball joint cup to correct ball joint operating angle for more suspension travel.
    • Cast construction indexed torsion bar keys to provide additional ride height while maximizing ground clearance.
    • Front differential relocation brackets to correct CV axle operating angle.
    • Sway bar relocation brackets to maintain clearance and proper operating angle.
    • 2" rear lift blocks and heavy duty u-bolts to level the stance.
    • Nitro series gas or FOX 2.0 adventure series IFP gas shocks to improve performance.
    • Maintains ride and handling characteristics with clearance for 35" tires.
    • Allows for improve offroad performance with more droop travel.
    • High strength UCAs are boxed and fully welded. They are specially designed with an indexed ball joint cup to correct ball joint operating angle for more suspension travel.
    • Cast construction indexed torsion bar keys to provide additional ride height whil
  • Zone Offroad produces heavy-duty lift kits for Chevrolet, GMC, Ford, RAM, Dodge Toyota, and Jeep trucks. A variety of lift heights are available to suit your truck's tire and ground clearance from 2", 3", 4" & 6". Lift kit features may include heavy-duty crossmembers, steering knuckles, strut spacers, and rear block kits to level out the stance. Custom-valved shock absorbers are available to improve performance and ride-quality on and off-road. All suspension systems are made in the USA and powdercoated for a long-lasting appearance. Shop Zone affordable and quality suspension lift kit systems!

Additional Fitment Information:
Vehicle Sub Model
2020 - GMC Sierra HD Denali

Zone Offroad
  • 3" Adventure Series Lift Kit
  • Stock wheels with stock tires can be installed, however clearance are very tight to the upper control arms. Proper torsion bar key unloading tool required, (Kent Moore #CH48809 or equivalent) Will work on gas or diesel models. Will work on standard and AT4 models. Not recommended for DRW applications (may require custom u-bolts)
  • Take your new HD to the next level with the 3" Adventure Series Lift Kit from Zone Offroad. Engineered for easy bolt on fitment and improved travel, these 3? Adventure Series Lift Kits bridge that gap between an entry level leveling kit and full IFS lift system offering next level performance without the cost and extensive installation. The heart of this new system is a pair of heavy duty replacement upper control arms (UCAs) designed to improve range of motion for more suspension travel when wheeling in rough terrain. These new control arms dwarf the factory units and are built from high strnegth steel, boxed and fully welded with CNC-machined bushing and ball joint cups repositioned to operate in the neutral position at 3? of lift. They use OE durometer rubber bushings and greaseable OE-style heavy duty ball joints for quiet, reliable operation and superior corrosion resistance to uniball style control arms. Along with the arms, a pair of reindexed cast steel torsion bar keys are sup
  • In the box: Rear Lift Block & U-Bolt Kit Torsion Bar Keys Upper Control Arms Sway Bar Relocation Differential Relocation
  • Product Attributes:
    • Front Lift Method: Torsion Key
    • Wheel Size: 20 X 9
    • Max Tire Size 3: 285 X 65
    • Back Spacing: 5-5.75"
    • Finish: Powdercoat
    • Front Lift Height: 3"
    • Max Tire Size 2: 295 / 60
    • Lift Type: Lift Kit
    • Rear Lift Method: Fabricated Blocks
    • Wheel Size 2: 20 X 9
    • Wheel Size 3: 20 X 9
    • Rear Lift Height: 2"
    • Back Spacing 2: 5-6.18"
    • Back Spacing 3: 5-6.18"
    • Max Tire Size: 35 X 12.5
    • Material: Steel
  • Features:
    • High strength UCAs are boxed and fully welded. They are specially designed with an indexed ball joint cup to correct ball joint operating angle for more suspension travel.
    • Cast construction indexed torsion bar keys to provide additional ride height while maximizing ground clearance.
    • Front differential relocation brackets to correct CV axle operating angle.
    • Sway bar relocation brackets to maintain clearance and proper operating angle.
    • 2" rear lift blocks and heavy duty u-bolts to level the stance.
    • Nitro series gas or FOX 2.0 adventure series IFP gas shocks to improve performance.
    • Maintains ride and handling characteristics with clearance for 35" tires.
    • Allows for improve offroad performance with more droop travel.
  • Zone Offroad produces heavy-duty lift kits for Chevrolet, GMC, Ford, RAM, Dodge Toyota, and Jeep trucks. A variety of lift heights are available to suit your truck's tire and ground clearance from 2", 3", 4" & 6". Lift kit features may include heavy-duty crossmembers, steering knuckles, strut spacers, and rear block kits to level out the stance. Custom-valved shock absorbers are available to improve performance and ride-quality on and off-road. All suspension systems are made in the USA and powdercoated for a long-lasting appearance. Shop Zone affordable and quality suspension lift kit systems!

Additional Fitment Information:
Vehicle Sub Model
2020 - GMC Sierra HD Denali
Showing 1 - 4 of 4 products

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