4x4 Suspension & Off-Road Lift Kits

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Use our suspension finder tool to match components to your specific vehicle make, model, and configuration.

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Confused by suspensions options? Compare our bestselling kits below and find out which parts are best of your build.

	IM2.5	Foam Cell Pro	Foam Cell	Nitro Gas	All-Terrain Systems (ATS)
	Learn More	Learn More	Learn More	Learn More	Learn More
Built-For:
	Performance enthusiasts, lightly & heavily loaded trucks and SUVs, and daily driven trucks and SUVs.	Overlanders, outdoor enthusiasts, heavily loaded trucks and SUVs, and daily driven trucks and SUVs.	Weekend Adventurers, lightly & heavily loaded trucks and SUVs, and daily driven trucks and SUVs.	Weekend warriors and daily driven trucks and SUVs.	Exclusively for outdoor enthusiasts driving RAV4 \| Crosstrek \| Forester \| Outback.
Load Ratings:
	Light, Medium	Light, Medium, Medium Plus, Heavy, Extra Heavy	Light, Medium, Medium Plus, Heavy, Extra Heavy	Light, Medium, Medium Plus, Heavy, Extra Heavy	Medium, Heavy
Technology:
	Monotube technology Advanced monotube technology allows for precision performance for a comfortable on/off-road ride.	Foam Cell technology Allows for increased oil capacity without needing a traditional nitrogen charge making the Foam Cell shock virtually indestructible with almost no maintenance.	Foam Cell technology Allows for increased oil capacity without needing a traditional nitrogen charge making the Foam Cell shock virtually indestructible with almost no maintenance."	Nitrogen-charged Durable twin tube shock design with nitrogen-charge and increased shock diameter over stock, allowing better performance on and off road for little investment.	Nitrogen-charged Durable twin tube shock design with nitrogen-charge and increased shock diameter over stock, allowing better performance on and off road for little investment.
Shock Design:
	Monotube	Twin-Tube	Twin-Tube	Twin-Tube	Twin-Tube
Lift Height:
	Up to 3.5"	Up to 3.5"	Up to 3.5"	Up to 3.5"	2"
Off-Road Performance:

On-Road Performance:

Comfort:

Components:
	All our kits include all necessary components and hardware to lift your vehicle and offer increased performance over your stock suspension.
Shock Diameter:
	Up to 2.5"	Up to 2.8"	Up to 2.4"	Up to 2.1"	Up to 2.1"
Valving:
	Linear	Linear	Linear	Linear	Linear
Extended Travel:
	Yes	Yes	Yes	Yes	Yes
	Shop IM2.5	Shop Foam Cell Pro	Shop Foam Cell	Shop Nitro Gas	Shop ATS

What You'll Gain by Upgrading with Ironman 4x4

Built for Global Conditions: Every Ironman 4x4 component is tested in real-world conditions around the globe, from deserts and jungles to mountains and construction sites.
Tailored for All Terrains: No matter your environment – rock, sand, snow, or tarmac – our suspension solutions are engineered to perform.
GVM Upgrade Ready: Certified Gross Vehicle Mass (GVM) upgrade kits available for select models, helping your vehicle stay compliant and capable under load.
Trusted by Professionals: Used by military units, mining fleets, and emergency services worldwide.
Global Support & Warranty: Backed by a comprehensive warranty and an international network of dealers and service partners across 160+ countries.

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IM2.5 Monotube Shock Absorbers

Foam Cell Pro Shock Absorbers

Foam Cell Shock Absorbers

Nitro Gas Kits & Shock Absorbers

ATS Kits & Shock Absorbers

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