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3252 W Van Buren st. Phoenix, AZ 85009
3252 W Van Buren st. Phoenix, AZ 85009
3.5" Rough Country Lift Kit | 2011-2019 Chevy Silverado 2500/3500 & GMC Sierra 2500/3500 4WD (W/ overload)| Premium N3

3.5" Rough Country Lift Kit | 2011-2019 Chevy Silverado 2500/3500 & GMC Sierra 2500/3500 4WD (W/ overload)| Premium N3

by Cosmos Truck Accessories
$1,049.95 - $1,049.95
$1,049.95
$1,049.95 - $1,049.95
$1,049.95

Rough Country 3.5" Knuckle Suspension Lift Kit | Fits 2011–2019 GM 2500HD/3500HD 4WD

Boost ground clearance, improve ride quality, and upgrade your GM HD truck’s stance—without cutting or compromise.

Take your 2011–2019 Chevrolet Silverado or GMC Sierra 2500HD/3500HD (4WD) to the next level with the Rough Country 3.5" Knuckle Suspension Lift Kit. Whether you're towing, off-roading, or cruising city streets, this kit delivers bold looks and premium performance while maintaining factory-like drivability.

🔧 Improved Ride Quality & Strength

This lift kit is engineered to improve suspension geometry, ground clearance, and strength using top-tier components designed for real-world use:

  • Durable Steel Knuckles – Reduce CV bind and optimize suspension angles.

  • Forged Torsion Bar Keys – Provide uncompromised strength, lift height, and long-term durability.

  • Forged Upper Control Arms – Help retain OEM alignment and increase suspension travel.

  • Differential Drop Spacers – Maintain proper driveline angles and factory ride feel.

  • OEM-Style Clevite Bushings – Reduce road noise and improve longevity.

🚀 Performance Highlights

  • ✅ 3.5” front lift – Adds aggressive ground clearance while leveling your truck’s stance.

  • ✅ No Cutting or Drilling Required – 100% bolt-on installation using basic tools.

  • ✅ Fits Up to 33” Tires – With proper wheel backspacing.

  • ✅ Quick Installation – Estimated install time: 4–6 hours at home.

  • ✅ Rough Country Lifetime Replacement Warranty – Covers structural and workmanship defects.

🔧 Optional Shock Upgrades

Tailor your ride quality with these premium shock packages:

🛠 Vertex 2.5 Reservoir Shocks (Ultimate Off-Road Performance):

  • 8-Stage Adjustable Damping

  • Massive 2.5” Piston & External Reservoir

  • 3-Stage Seal System

  • Heat-Treated Alloy Bearing

  • 3-Year Manufacturer’s Warranty

🛠 V2 Monotube Shocks (Enhanced Control & Comfort):

  • 46mm High-Flow Piston

  • Inverted Monotube Design

  • Nitrogen-Charged for better cooling

  • 36kN Tensile Strength

  • 3-Year Manufacturer’s Warranty

🛠 N3 Series Shocks (Standard Performance):

  • 10-Stage Variable Valving

  • 35mm Piston / 18mm Chromed Shaft

  • Nitrogen-Charged

  • Spring-Loaded Piston Rod Seal

  • 3-Year Limited Warranty

🚗 Fitment

Vehicle Compatibility:
✔️ 2011–2019 Chevrolet Silverado 2500HD / 3500HD (4WD)
✔️ 2011–2019 GMC Sierra 2500HD / 3500HD (4WD)

Important Notes:
❌ Does NOT fit Dually models
❌ Does NOT fit models with Magnetic Ride Control

🛒 Built for the Job. Ready for the Weekend.

Whether you’re on the job or off the beaten path, the Rough Country 3.5" Knuckle Lift Kit for 2011–2019 GM HD trucks gives you the clearance, comfort, and confidence to go further. No cutting. No welding. Just rugged performance—backed by a lifetime guarantee.

👉 Order now to give your truck the lift it deserves.
Fitment