GMC Sierra 3500HD Suspension Lift Kit - Cognito - 3in Elite Leveling Kit w/ Fox 2.5 Elite Performance Series (2011-2019). This curated system levels the front approximately 3 inches and adds race-bred damping for confident control on and off the pavement.

Built around Cognito’s SM Series boxed upper control arms, this kit corrects ball joint angle and increases allowable droop travel for a smoother ride. The Cognito Pitman and Idler Arm Support Kit adds critical steering support, while forged torsion bar keys deliver reliable front height adjustment. Front and rear Fox 2.5 Performance Elite reservoir shocks with external compression adjusters let you fine-tune response for terrain and load. Cognito components are engineered, manufactured, and assembled in the USA, and the package is designed for 2011-2019 GM 2500HD/3500HD 2WD/4WD, including GMC Sierra 3500HD.

Features

• 3 in front lift; maintains proper droop travel
• Cognito SM Series boxed UCAs with heavy-duty ball joints
• Cognito PISK for added pitman/idler arm support
• Forged torsion bar adjuster key kit
• Fox 2.5 Performance Elite reservoir shocks, front and rear, with adjusters
• Approx. 4-hour DIY install time
• Engineered, manufactured, and assembled in the USA

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 services 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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