🔥 Rough Country 73840 6-Inch N3 Suspension System Lift Kit for Toyota 4Runner 2WD/4WD (2015–2020)
If you want serious height with balanced ride quality, this system delivers. The Rough Country 73840 lift kit is engineered specifically for 2015–2020 Toyota 4Runner 2WD and 4WD models. It provides six inches of suspension lift using upgraded strut assemblies, rear coil springs, and N3 nitrogen-charged shock absorbers.
This configuration is designed for both 2WD and 4WD models. It is not compatible with 2010–2014 or 2021+ model years.
This Lift Kits enhances ground clearance, improves suspension geometry, and creates an aggressive SUV stance.
🚙 Confirmed Vehicle Compatibility
Designed specifically for:
Not compatible with:
Always verify trim and factory suspension setup before ordering.
This system is engineered around the fifth-generation 4Runner platform.
🆚 What Makes the 73840 Configuration Unique?
The 73840 configuration includes N3 nitrogen-charged shock absorbers for dependable performance. It is tuned to balance daily driving comfort and off-road stability.
This system typically includes:
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Lifted front strut assemblies
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Rear lift coil springs
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N3 nitrogen-charged rear shocks
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Differential drop brackets
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Front and rear crossmembers
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Sway bar links
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Skid plate spacers
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Brake line relocation brackets
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Complete installation hardware
These components maintain proper alignment after lifting.
This Lift Kit combines height with structural suspension correction.
💪 Suspension Geometry Correction
Independent front suspension vehicles require careful engineering when lifted.
Front crossmembers reposition suspension mounting points.
Differential drop brackets reduce CV axle operating angles.
Benefits include:
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Reduced drivetrain stress
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Improved steering geometry
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Increased suspension travel
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Enhanced component longevity
Corrected geometry keeps highway handling predictable.
This system maintains stability even with larger tires installed.
🎯 N3 Shock Technology
N3 shocks use a nitrogen-charged twin-tube design.
Advantages include:
These shocks are tuned specifically for lifted SUVs.
This Lift Kit provides controlled performance on pavement and trails.
🌄 Six Inches of Height and Tire Clearance
Six inches of suspension lift transforms the 4Runner’s profile.
Increased ride height improves approach and departure angles.
Many owners run up to 35-inch tires with correct wheel backspacing. Minor trimming may be required.
Always confirm tire fitment before installation.
This Lift Kit improves trail capability and visual presence.
🏕 Off-Road Performance and Everyday Use
The Toyota 4Runner is known for reliability and versatility.
Lifted struts improve front clearance over obstacles.
Rear coil springs enhance load handling and articulation.
Upgraded sway bar links maintain predictable steering response.
This suspension upgrade supports overlanding and weekend trail adventures.
Highway ride quality remains comfortable and controlled.
🛠 Installation Overview
Professional installation is recommended.
The system replaces factory crossmembers to maintain alignment.
It bolts to factory mounting points using supplied hardware.
A complete alignment is required after installation.
Proper setup ensures safe driving and long-term durability.
🔩 Built for Durability
Powder-coated components resist corrosion and harsh environments.
Heavy-duty brackets reinforce structural mounting points.
High-strength hardware secures components under load.
N3 shocks are designed for extended service life.
This suspension system is engineered for rugged use.
🚀 Why Choose the 73840 Suspension System?
This configuration is ideal if you want:
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Increased ground clearance
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Aggressive SUV stance
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Balanced ride quality
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Larger tire compatibility
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Reliable off-road performance
It delivers suspension correction tailored for 2015–2020 Toyota 4Runner 2WD and 4WD models.
This Lift Kits provides engineered height and dependable performance.
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📞 Need Expert Assistance?
Have questions about trim compatibility or tire sizing? 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 both 2WD and 4WD 4Runner models?
Yes. This Lift Kits is engineered for 2015–2020 Toyota 4Runner 2WD and 4WD models.
2. What tire size works with this Lift Kits?
This Lift Kits commonly supports up to 35-inch tires with proper backspacing and possible trimming.
3. Does this Lift Kits maintain ride comfort?
Yes. This Lift Kits includes N3 nitrogen-charged shocks designed for balanced daily driving comfort and trail control.