GMC Sierra 3500HD Suspension Lift Kit — Cognito with Elka 2.5 RR Shocks, SM Series Ball Joint Upper Control Arms, and Cognito Block & U-Bolt Kit for 2020–2024 models. This system delivers controlled ride quality, corrected front-end geometry, and durable hardware in a clean semi-gloss black finish.

Elka 2.5 Remote Reservoir shocks feature Dual Speed Compression adjustment for precise tuning, improved vibration attenuation, and a smoother, quieter ride on pavement and dirt. The Cognito SM Series Ball Joint Upper Control Arms correct ball joint angle on lifted applications and increase allowable droop travel with boxed, welded construction and pre-installed, maintenance-free joints and bushings. The Cognito Block & U-Bolt Kit provides reliable rear height change with heavy-duty, zinc-plated hardware.

Features

• Elka 2.5 RR shocks with Dual Speed Compression adjusters
• SM Series Ball Joint Upper Control Arms for corrected geometry
• Cognito Block & U-Bolt Kit, semi-gloss black, heavy-duty hardware
• Smoother on-road comfort and confident off-road control
• Reduced cabin noise, squeaks, and harsh impacts
• Improved stability under braking, cornering, and load

Have questions or planning a build? Call our Austin shop at 512-982-9393 or our Los Angeles area shop at 562-981-6800. We offer installation and customization at both locations. If you’re considering multiple items, contact us for shipping discounts. We install on premises at both locations.

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