🔥 Rough Country 18400 6-Inch Suspension Upgrade
Premium Lift Kit for GMC Sierra 1500 Denali (2014–2018)
If you want luxury styling with aggressive height, this system delivers. The Rough Country 18400 lift kit is engineered specifically for 2014–2018 GMC Sierra 1500 Denali models. It provides six inches of suspension lift while maintaining premium ride characteristics expected from the Denali trim.
This configuration is designed for the K2XX body style platform. It is not compatible with 2019+ new body style trucks.
This Lift Kit delivers bold stance, corrected suspension geometry, and improved ground clearance.
🚙 Confirmed Vehicle Compatibility
Designed specifically for:
Not compatible with:
Denali trims may include magnetic ride control. Always confirm suspension configuration before purchase.
🆚 What Makes the 18400 Configuration Unique?
The Denali trim features premium suspension tuning from the factory. This configuration is engineered to maintain ride comfort while increasing ride height.
This system typically includes:
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Heavy-duty front crossmembers
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Lifted steering knuckles
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Differential drop brackets (4WD models)
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Front strut spacers
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Rear lift blocks
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Performance shock absorbers
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Sway bar relocation brackets
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Brake line relocation brackets
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Skid plate
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Complete installation hardware
This design keeps suspension angles within safe operating limits.
This Lift Kits balances height with daily drivability.
💪 Independent Front Suspension Geometry
The 2014–2018 Sierra Denali uses an independent front suspension system.
A properly engineered crossmember drop maintains factory CV and steering angles. That reduces wear on front-end components.
Benefits include:
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Maintained steering precision
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Controlled suspension travel
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Reduced stress on ball joints
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Stable highway performance
Corrected suspension geometry ensures predictable handling after installation.
This system keeps the front differential properly aligned on 4WD models.
🎯 Ride Quality and Shock Performance
This configuration includes tuned shock absorbers engineered for lifted half-ton trucks.
Advantages include:
Denali owners expect smooth highway performance. This suspension upgrade preserves refined ride characteristics.
This Lift Kit delivers height without sacrificing comfort.
🌄 Six Inches of Height and Tire Clearance
Six inches of suspension lift dramatically enhances the Denali’s presence.
Increased ride height improves approach and departure angles.
Many owners run up to 35-inch tires with proper wheel offset. Minor trimming may be required depending on wheel choice.
Always confirm wheel and tire compatibility before installation.
This Lift Kit enhances both luxury styling and off-road capability.
🚛 Street Comfort and Off-Road Confidence
The Sierra Denali blends refinement with capability.
Corrected suspension geometry maintains confident highway handling.
Rear lift blocks help level the truck for balanced stance.
Improved clearance enhances trail performance when needed.
This suspension upgrade supports daily commuting and weekend recreation.
🛠 Installation Overview
Professional installation is strongly recommended.
The system bolts to factory mounting locations using supplied hardware.
Some trimming may be required depending on tire size.
A full alignment is required after installation.
Proper setup ensures safe handling and consistent performance.
🔩 Built for Strength and Durability
Powder-coated steel components resist corrosion and harsh conditions.
Heavy-duty crossmembers reinforce suspension mounting points.
High-grade hardware secures all components under load.
Performance shocks provide dependable long-term operation.
This suspension system is engineered for durability.
🚀 Why Choose the 18400 Suspension System?
This configuration is ideal if you want:
It delivers structural suspension improvement tailored for 2014–2018 GMC Sierra 1500 Denali models.
This Lift Kits provides engineered height and dependable performance.
🔗 Explore More Suspension Options
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📞 Need Expert Assistance?
Have questions about Denali compatibility or magnetic ride control? Contact Audio Jam at (302) 832-2868. Our team can help confirm the correct configuration before purchase.
❓ Frequently Asked Questions
1. Is this Lift Kits compatible with magnetic ride control Denali models?
This Lift Kits may require additional components for magnetic ride control. Always confirm suspension configuration before purchase.
2. What tire size works with this Lift Kits?
This Lift Kits commonly supports up to 35-inch tires with proper wheel offset and possible trimming.
3. Does this Lift Kits affect ride comfort?
This Lift Kits is engineered to maintain balanced ride quality while improving clearance and stance.
