Suspension Lift Kit | Rough Country | 7 Inch, M1 | Silverado, Sierra 1500

SKU RC11640

$1,794.95 Free Ship!
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Product Specifications

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Product Specs for Rough Country 11640

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Rough Country 11640 Details

Rough Country 7 inch suspension lift kit 11640 for the 4WD Chevy Silverado and GMC Sierra 1500 with stamped steel lower control arm gives your truck a meaner, lifted, and level stance while providing a smooth ride for unmatched highway and trail performance. The kit also adds room for larger wheels and tires, so you can make your truck stand out from the crowd. With excellent ride quality and handling characteristics on the road, this lift kit is the perfect way to take your GM to the next level.

The kit features front M1 series monotube lifted struts, forged upper control arms, differential drop brackets, sway-bar drop brackets and rear fabricated Anti-Wrap lift blocks and M1 monotube shocks to take your GM 1500 to the next level.

Features

  • Increased ground clearance.
  • Maintains stock track width.
  • Can run factory 20-inch wheels.
  • Fabricated blocks are stronger and offer a longer lifespan than cast blocks.
  • Specially designed anti-axle wrap rear blocks maintain stock ride quality while eliminating common lift block problem.
  • Control arms are made of forged aluminum for unsurpassed strength and durability.
  • No welding weak spots.
  • Offers more ball joint articulation over factory.
  • Includes POM ball joints for greater range of motion and easier installation.
  • Ball joints are fully greaseable.
  • Includes clevite brand OEM style rubber bushings.
  • M1 Loaded Struts
    • 2-inch seamless extruded tube
    • 46mm digressive piston
    • Digressive valving
    • 46mm digressive piston
    • Fast heat dissipation
    • Fade-free performance
    • Natural rubber bushings
    • Zinc plated aluminum body
    • 3-year Manufacturer's Warranty

Components

Front
  • (2) M1 Series Montube Lifted Struts
  • Front Crossmember
  • Rear Crossmember
  • Control Arm Drop brackets
  • Forged Upper Control Arms
  • Differential Drop Brackets
  • Sway-bar Drop Brackets
  • Steering Extension
  • Steering Brace
  • Front Skid Plate
  • Lower Skid Plate
  • Hardware
Rear
  • Fabricated Anti-Wrap Lift Blocks
  • Brake Line Relocation Brackets
  • U-bolts
  • Hardware
Shocks
  • (2) M1 Series Monotube rear shocks

Installation/Fitment Notes

  • Requires minor cutting and drilling
  • ONLY fits models with stamped steel control arms
  • Does NOT fit Hybrid eAssist models
  • Does NOT fit GMC Denali models with Magnetic Ride Control
  • IMPORTANT! - Installation of larger tires will require a Rough Country Speedometer Calibrator 90009T
  • If truck is equipped with a mass damper on the front differential, the damper must be removed.

Vehicle Application Guide for Rough Country 11640

The RC11640 Suspension Lift Kit | Rough Country | 7 Inch, M1 | Silverado, Sierra 1500 is engineered to work with specific vehicles displayed below. Can't find your vehicle, or need assistance, please give us a call at 1-800-358-4751 or 1-989-755-0561. Browse the category Lift Kits Rough Country Lift Kits , to view all vehicle makes and models.

  • Chevrolet
  • GMC
YearMakeModelVehicle OptionInstallation Notes
2016 Chevrolet Silverado 1500Fits 4 Wheel DriveRequires minor cutting and drilling. ONLY fits models with stamped steel control arms. Does NOT fit Hybrid eAssist models. IMPORTANT! - Installation of larger tires will require a Rough Country Speedometer Calibrator 90009T. If truck is equipped with a mass damper on the front differential, the damper must be removed.
2016 GMC Sierra 1500Fits 4 Wheel DriveRequires minor cutting and drilling. ONLY fits models with stamped steel control arms. Does NOT fit Hybrid eAssist models. Does NOT fit GMC Denali models with Magnetic Ride Control. IMPORTANT! - Installation of larger tires will require a Rough Country Speedometer Calibrator 90009T. If truck is equipped with a mass damper on the front differential, the damper must be removed.
2017 Chevrolet Silverado 1500Fits 4 Wheel DriveRequires minor cutting and drilling. ONLY fits models with stamped steel control arms. Does NOT fit Hybrid eAssist models. IMPORTANT! - Installation of larger tires will require a Rough Country Speedometer Calibrator 90009T. If truck is equipped with a mass damper on the front differential, the damper must be removed.
2017 GMC Sierra 1500Fits 4 Wheel DriveRequires minor cutting and drilling. ONLY fits models with stamped steel control arms. Does NOT fit Hybrid eAssist models. Does NOT fit GMC Denali models with Magnetic Ride Control. IMPORTANT! - Installation of larger tires will require a Rough Country Speedometer Calibrator 90009T. If truck is equipped with a mass damper on the front differential, the damper must be removed.
2018 Chevrolet Silverado 1500Fits 4 Wheel DriveRequires minor cutting and drilling. ONLY fits models with stamped steel control arms. Does NOT fit Hybrid eAssist models. IMPORTANT! - Installation of larger tires will require a Rough Country Speedometer Calibrator 90009T. If truck is equipped with a mass damper on the front differential, the damper must be removed.
2018 GMC Sierra 1500Fits 4 Wheel DriveRequires minor cutting and drilling. ONLY fits models with stamped steel control arms. Does NOT fit Hybrid eAssist models. Does NOT fit GMC Denali models with Magnetic Ride Control. IMPORTANT! - Installation of larger tires will require a Rough Country Speedometer Calibrator 90009T. If truck is equipped with a mass damper on the front differential, the damper must be removed.

Customer Q&A - Rough Country 11640


Rough Country

Rough Country Warranty

Limited Lifetime Warranty

On hard suspension components including knuckles, Lift Blocks, Control Arms, Jeep JK Armor, Bed Covers, Bed Mats, Nerf Steps, and Wheel Well Liners.

5 Year Limited Warranty

On leaf springs and coil springs.

3 Year Limited Warranty

On shocks and stabilizers.

3 Year Limited Warranty

On LED Lights, Fender flares, and Soft Tops.

2 Year Limited Warranty

On Winch mechanical components.

1 Year Limited Warranty

On Winch electrical components.

1 Year Limited Warranty

On All wear and tear items. Bushings, Ball Joints, Etc.

Rough Country products are warranted to be free from defects in material and craftsmanship for the time periods listed. Some suspension components are prone to gradual wear and tear over time and therefore are not covered within the Lifetime Replacement Warranty.

Warranty Guard

This free protection supplements your manufacturer's warranty, guaranteeing that if you are denied repair due to having a Warranty Guard protected product on your vehicle, then Rough Country will foot the bill for your repair! For up to 5 years / 100K miles / or until your manufacturer's warranty ends, if there is a failure of a factory warranty-covered part due to installation of a Rough Country suspension product, Rough Country will cover the repairs at a factory authorized shop - all you pay is a $100 deductible!

What the warranty does not cover

Wear and tear items such as mountings, bushings, diminished shock and stabilizer dampening resistance, finish, dents and scratches, as these components and issues can wear out or occur naturally over time. These items are covered under a separate Limited Warranty along with other non-suspension items listed above. Replacements for non-defective items broken during off-road use may incur shipping charges.

You can view the full details of Rough Country’s warranty here.

How to get service

For warranty issues, contact Rough Country service at 1-800-222-7023.

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