Cognito 4-Inch Standard Lift Kit w/ Fox PSMT 2.0 Shocks | 2011–2019 Silverado/Sierra 2500HD/3500HD 2WD/4WD

Cognito 4-Inch Standard Lift Kit w/ Fox PSMT 2.0 Shocks | 2011–2019 Silverado/Sierra 2500HD/3500HD 2WD/4WD | SKU: 110-P0778

Is This for You?

This kit is for the 2011–2019 Chevy Silverado 2500HD or 3500HD, or GMC Sierra 2500HD or 3500HD 2WD or 4WD owner who wants 4 inches of lift with Fox PSMT 2.0 shocks. If you have a 2020–2026 Silverado/Sierra 2500HD/3500HD, stop here — different platform, confirm compatibility via the contact form. If you have a Silverado/Sierra 1500, stop here — see the 1500-specific listings. If you want a kit without upgraded shocks, confirm availability via the contact form.

The Result

4 inches of lift with Fox PSMT 2.0 shocks delivering improved ride quality and off-road performance on the 2011–2019 Silverado/Sierra HD platform. Cognito’s geometry-corrected components maintain proper front-end alignment and driveline angles at lift height.

Verified Fitment (OFAS Standard)

• Chevy Silverado 2500HD 2WD/4WD: 2011–2019 — confirm cab and bed configuration via contact form
• Chevy Silverado 3500HD 2WD/4WD: 2011–2019 — confirm SRW/DRW via contact form
• GMC Sierra 2500HD 2WD/4WD: 2011–2019 — confirm cab and bed configuration via contact form
• GMC Sierra 3500HD 2WD/4WD: 2011–2019 — confirm SRW/DRW via contact form

Does NOT fit: 2020–2026 Silverado/Sierra 2500HD/3500HD — different platform. Does NOT fit Silverado/Sierra 1500. Does NOT fit Colorado/Canyon. Confirm year and model before ordering.

System Specifications

• SKU: 110-P0778
• Brand: Cognito
• Kit: 4-Inch Standard Lift Kit
• Lift: 4 inches
• Shocks: Fox PSMT 2.0
• Application: 2011–2019 Chevy/GMC Silverado/Sierra 2500HD/3500HD 2WD/4WD

Master Kit Components

• Fox PSMT 2.0 front shocks
• Fox PSMT 2.0 rear shocks
• Front lift components
• Confirm full kit contents via contact form or Cognito spec sheet

Installation & Fabrication Notes

• Bolt-on installation: No fabrication required. Professional installation recommended.
• Alignment: Full front alignment required after installation.
• Torque specs: Follow Cognito installation manual torque specifications for all suspension fasteners.
• Break-in period: Allow 500–1,000 miles for suspension components to settle before final alignment check.

Wheel & Tire Fitment

4-inch lift opens fitment for larger tire sizes on the Silverado/Sierra HD platform. Confirm wheel backspacing, offset, and tire diameter with your installer. Submit your wheel and tire setup via the contact form for a fitment recommendation.

Is your truck a 2011–2019 Silverado or Sierra 2500HD/3500HD 2WD or 4WD? What cab, bed, and SRW/DRW configuration? Submit via the contact form and we’ll confirm fitment before it ships.