Rough Country 11640 — 7 Inch Stamped Steel LCA Lift Kit | Forged UCA | Bracket | M1 Struts/M1 | Chevy/GMC 1500 (16-18).

About this part

Command Attention with a Superior Lift Solution: Transform your Chevy Silverado 1500 or GMC Sierra 1500 into a bold, trail-ready machine with Rough Country's 7-Inch Lift Kit. This aggressive upgrade delivers increased ground clearance and a leveled stance while maintaining a smooth, factory-like ride both on and off the pavement. Designed to accommodate larger wheels and 35" tires, this kit ensures your truck not only performs better but turns heads wherever it goes. Precision Engineering Meets Rugged Performance: Preserving factory ride quality starts with proper suspension geometry and this kit nails it. Engineered with robust control arm brackets, differential drop brackets, and crossmembers, it reduces CV angles and maintains near-OEM suspension alignment. The heavy-duty replacement struts offer superior strength and rigidity, making lift height gains effortless and dependable. Built for Strength and Longevity: This kit features Rough Country's forged aluminum control arms - lightweight yet incredibly strong to withstand the demands of lifted driving. These arms are designed for optimal ball joint articulation, reducing wear and increasing motion range. POM ball joints provide a smoother install and extended durability, while the OEM-style rubber bushings offer quiet, reliable performance. No Shortcuts. No Weak Points: Forget the flaws of welded components - our one-piece control arms eliminate weak spots for maximum reliability. In the rear, fabricated lift blocks outperform cast alternatives with longer lifespan and greater structural integrity. The specially designed anti-axle wrap rear blocks maintain stock ride quality while addressing common issues found in standard lift blocks. Customize Your Ride Your Way: Rough Country gives you full control over your ride experience with configurable shock options choose from our nitrogen-charged N3 shocks or upgrade to Vertex reservoir shocks for elite performance. No matter your driving style, this kit adapts to you. Installation and Warranty: Installation requires cutting and grinding, with an estimated 8-10 hours for completion. With standard tools and the right know-how, this can be a successful DIY project. Plus, Rough Country backs your purchase with a limited lifetime replacement warranty, giving you total peace of mind on every drive.

Manufacturer features

Boosted Ground Clearance: Gain extra height for improved off-road capability and a more aggressive stance. Maintains Factory Track Width: Keeps your wheels aligned with OEM specs for optimal handling and stability. Compatible with Factory 20-Inch Wheels: No need to upgrade wheels—runs stock 20s with no issues. Heavy-Duty Fabricated Lift Blocks: Stronger than cast alternatives and built to last for the long haul. Anti-Axle Wrap Rear Blocks: Special design preserves factory ride comfort while preventing common axle wrap issues. Forged Aluminum Control Arms: Delivers unmatched strength and long-term durability without added weight. No Welds, No Weak Points: One-piece construction eliminates potential failure zones. Increased Ball Joint Articulation: Provides more flex than stock for improved suspension performance. Premium POM Ball Joints Included: High-performance joints offer smoother movement and easier installation. Fully Greaseable Ball Joints: Ensures long-lasting serviceability and smoother operation over time. OEM-Style Rubber Bushings: Durable, factory-grade components for quiet, reliable suspension performance. Fully Configurable with All Shock/Strut Options: Choose from our nitrogen-charged N3's to the premium Vertex reservoir for the perfect ride quality.

Important application and installation requirements

Requires cutting and drilling. ONLY fits models with stamped steel control arms. To ensure proper fit please confirm if the stock control arms are cast aluminum, cast steel, or stamped steel. For a visual, please click here . Does NOT fit Denali or Denali Ultimate models as they are equipped with Magnetic Ride Control. Does NOT fit models with eAssist (ECO Hybrid) package due to additional drivetrain components and sensor placement. To ensure adequate clearance when lowering the differential models equipped with a mass damper on the front differential must be removed. For a visual, please click here . IMPORTANT! - Installation of larger tires will require Rough Country's Speedometer Calibrator SKU: 90009 .

Manufacturer-listed applications

2016-2018:4WD:Chevy:Silverado 1500;2016-2018:4WD:GMC:Sierra 1500;2019-2019:4WD:Chevy:Silverado 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: 11640. Shipping weight: 235.00lbs. Supplier shipping classification: Ground Only.

Rough Country product specifications and restrictions

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