6 Inch Lift Kit | M1 | Chevy/GMC 1500 Truck & SUV 4WD (1988-1999)

Take Your OBS to New Heights: Upgrade your 1988-1998 Chevy/GMC 1500, Tahoe, or Suburban with Rough Country's 6-Inch Suspension Lift Kit - the perfect blend of aggressive stance and refined engineering. Smarter Design, Smoother Install: This redesigned kit features improved components for a faster, more user-friendly installation process. Maintain factory alignment and handling thanks to stock track width retention. Built Tough, Ready for Anything: Heavy-duty front and rear crossmembers, differential drop brackets, and fabricated rear lift blocks offer unmatched durability. Drop torsion bar brackets and a rugged front skid plate proudly display laser-cut RC branding for that unmistakable Rough Country look. Boosted Clearance, Bigger Tires: Gain more ground clearance and run up to 35-inch tires with ease, perfect for tackling rough trails or enhancing curb appeal. Choose Your Ride Feel: Customize your suspension setup with your choice of Rough Country's nitrogen-charged N3, V2 Monotube, or M1 Monotube shocks to match your terrain and driving style. Everything You Need, Warranty Included: Includes add-a-leafs, heim joint assist link, massive steering link, and all required hardware. Backed by Rough Country's Limited Lifetime Replacement Warranty.

Features

Improved Installation: Redesigned components allow for a quicker, more user-friendly installation process. Stock Track Width Maintained: Keeps factory alignment and handling characteristics intact for a smooth ride. Boosted Ground Clearance: Enhances off-road capability by increasing distance between chassis and terrain. Heavy-Duty Fabricated Blocks: Stronger than cast alternatives for improved durability and extended service life. Premium RC Branding: Torsion bar drop brackets and front skid plate proudly display precision RC laser-cut logos. Fits Up to 35" Tires: Allows clearance for 35-inch tall tires, giving your ride a more aggressive stance and improved off-road performance. Configurable Shock Options: Choose from our nitrogen-charged N3, V2 Monotube, or M1 Monotube shocks the power to customize your ride is in your hands!

Fitment and installation notes

Requires minor cutting and grinding. Requires rerouting of the exhaust for front drive shaft clearance. Tahoe/Yukon, Suburban models require extended rear sway-bar links. SKU: 1038 . 4-Door Tahoe and Yukon models require torsion bar crossmember bracket kit. SKU: 89501 . Does NOT fit straight front axle models. Models equipped with AutoTrac will require a new aftermarket driveshaft. For ease of installation, a torsion bar removal tool is recommended 1067 .

Vehicle fitment

Match the exact year, model, trim, drivetrain, and any cab or bed requirements in the notes.

Installation instructions

View manufacturer instructions

Part number: 27640