Rough Country 28340 — 1.5-2 Inch Lift Kit | M1 | Chevy Silverado & GMC Sierra 1500 4WD (1999-2006 & Classic).

About this part

Upgrade Your Stance Instantly: Rough Country's 1.5" - 2.5" Leveling Suspension Kit for 1999-2006 Chevy/GMC 1500 trucks delivers the perfect blend of performance, style, and functionality. Gain the ability to run up to 32" tires while achieving the bold, leveled stance you've been looking for all in one convenient, all-inclusive package. Achieve a Balanced, Aggressive Look: Enjoy a front-to-rear level stance that enhances both aesthetics and functionality. This added balance boosts ground clearance, giving your truck the ability to conquer off-road obstacles with confidence. Built Tough Where It Counts: This kit includes Rough Country's Heavy-Duty Forged Torsion Keys engineered for superior strength and long-lasting durability over weaker cast-iron alternatives. With a 1" adjustable range, these keys allow you to fine-tune your front-end height. A set of 3" rear blocks completes the package, providing dependable lift support and ample clearance for up to a 285/75R16 tire with factory backspacing. Tailor Your Ride Experience: Customize your suspension to match your driving style by choosing from Rough Country's nitrogen-charged N3 shocks, premium V2 Monotubes, or high-performance M1 Monotubes. Whether you're on pavement or off the beaten path, there's a shock option that's built for the journey. Install with Ease: Installation is 100% bolt-on and requires no cutting or welding. Whether you tackle it at home or bring it to your local shop, this kit saves time and effort right out of the box. Confidence You Can Count On: Like all Rough Country kits, this Leveling Suspension Kit is backed by a Limited Lifetime Replacement Warranty and our 100% Satisfaction Guarantee.

Manufacturer features

Hassle-Free Installation: Designed for a straightforward bolt-on setup that requires no cutting or welding. Boosted Ground Clearance: Gain extra room under your vehicle for better off-road capability and obstacle clearance. Front-to-Rear Level Stance: Levels the front of your vehicle with the rear for a balanced, aggressive profile. Heavy-Duty Forged Torsion Keys: Engineered for strength and durability, these forged adjuster keys ensure long-lasting performance and precise lift adjustment. 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!

Important application and installation requirements

Does NOT fit 1999 old body style (OBS) models. For a visual, please click here . For ease of installation, a torsion bar removal tool is recommended 1067 .

Manufacturer-listed applications

1999-2006:4WD:Chevy:Silverado 1500;1999-2006:4WD:GMC:Sierra 1500;2007-2007:4WD:Chevy:Silverado 1500 Classic;2007-2007:4WD:GMC:Sierra 1500 Classic

Read the complete trim, drivetrain and installation restrictions. Application records are manufacturer supplied; they are not an independent fitment certification.

Manufacturer installation instructions

Manufacturer part number: 28340. Shipping weight: 49.00lbs. Supplier shipping classification: No Restrictions.

Rough Country product specifications and restrictions

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