FOX 3.2 Factory Race Series Ultimate Suspension System

Dominate Every Terrain

Built for drivers who refuse to compromise, the FOX 3.2 Factory Race Series Ultimate Suspension System is the highest-performance bolt-on suspension package offered by Tough Terrain Off Road for the 2025+ Toyota 4Runner, 2024+ Toyota Land Cruiser 250, and Lexus GX550.

Whether you're tackling desert whoops at speed, crawling technical rock trails, or exploring remote overland routes, this complete suspension system delivers race-proven performance, exceptional control, and outstanding durability without requiring permanent chassis modifications.

Every component has been carefully selected to work together, providing improved suspension geometry, increased wheel travel, superior damping control, and long-term reliability for serious off-road enthusiasts.

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Features & Benefits

• Race-inspired FOX 3.2 Internal Bypass suspension technology
• Outstanding high-speed desert performance
• Increased suspension travel and articulation
• Improved small bump compliance and ride comfort
• Superior bottom-out resistance
• Precision steering and alignment correction
• Improved suspension geometry
• Increased ground clearance
• Bolt-on installation with no welding required
• Designed for 35" tire compatibility with proper wheel fitment

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What's Included

Front Suspension

✔ FOX 3.2 Factory Race Series Internal Bypass Front Coilovers

Rear Suspension

✔ FOX 3.2 Factory Race Series Internal Bypass Rear Shocks

✔ Eibach Rear Lift Springs

• 0 lb Constant Load
• 500 lb Constant Load
• 1000 lb Constant Load

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Upper Control Arm Options

Choose from:

Factory Upper Control Arms

Perfect for customers upgrading suspension while retaining factory components.

FOX Billet Upper Control Arms

Available in:

• Black
• Orange

Camburg KINETIK Series Upper Control Arms

Available in:

• Gray
• Blue
• Gold
• Red

Designed to improve alignment, caster correction, suspension articulation, and steering feel on lifted vehicles.

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Rear Suspension Upgrades

Included with every Ultimate Suspension System:

✔ Camburg KINETIK Billet Rear Lower Trailing Arms

Available in:

• Blue
• Gold
• Red

✔ ICON Adjustable Rear Upper Links

✔ ICON Adjustable Rear Track Bar

These components restore proper rear axle geometry, improve articulation, reduce axle movement, and maintain stable handling after lifting.

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Why This Suspension System?

Unlike basic lift kits that simply raise ride height, the FOX 3.2 Factory Race Series Ultimate Suspension System is engineered as a complete suspension solution.

Each component complements the others to maximize suspension performance while maintaining excellent on-road drivability.

Whether your vehicle is a daily driver, weekend trail rig, or dedicated expedition build, this package provides the confidence and capability needed for demanding off-road adventures.

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Installation

• Bolt-On Installation
• No Welding Required
• No Cutting Required
• Professional Alignment Required After Installation

Estimated Installation Time:

6–10 Hours

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Vehicle Fitment

Fits:

• 2025+ Toyota 4Runner (6th Generation)
• 2024+ Toyota Land Cruiser 250
• 2024+ Lexus GX550

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Recommended Upgrades

Take your suspension system even further with these performance upgrades.

FOX Hydraulic Bump Stops (Recommended for Aggressive Off-Road Use)

Hydraulic bump stops provide additional bottom-out control, reduce harsh impacts, and improve suspension performance during high-speed off-road driving.

Important: FOX hydraulic bump stops are not included with this kit and require custom fabrication and welding for installation. They are recommended for dedicated race and high-performance off-road builds and are not required for installation or normal operation of this bolt-on suspension system.

Additional recommended upgrades include:

• 35" All-Terrain or Mud-Terrain Tires
• Beadlock or Performance Off-Road Wheels
• Underbody Skid Plates
• Rock Sliders
• Front and Rear Recovery Points
• On-Board Air Compressor
• Differential Breather Kit
• High-Clearance Front and Rear Bumpers

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Warranty

All components are covered by their respective manufacturer warranties. Please refer to FOX, Camburg, ICON Vehicle Dynamics, and Eibach for complete warranty information.