The ReadyLIFT 3 Inch SST2.1 Suspension System Toyota 4Runner gives owners a true bolt-on lift that delivers an aggressive stance, increased ground clearance, and room for larger wheels and tires without sacrificing the ride comfort and daily drivability that 4Runner owners depend on. Built around ReadyLIFT Smart Suspension Technology and matched with Falcon 2.1 monotube dampers, this system is engineered for real-world performance on the street and on the trail, giving the 4Runner a more commanding presence and meaningfully improved capability in a single well-matched package.
ReadyLIFT 3 Inch SST2.1 Suspension System Toyota 4Runner Delivers True Bolt-On Installation
The SST2.1 system is designed around a no-cut, bolt-on installation process that uses ReadyLIFT Smart Suspension Technology to ensure all components work together as a matched system. The 2.5-inch front lift creates clearance for larger wheels and tires while the system as a whole delivers up to 3 inches of total lift for the bold, lifted stance 4Runner owners are looking for. Because every component in the kit is specifically engineered to work together, the install goes in cleanly without requiring cutting, welding, or custom fabrication.
Falcon 2.1 Monotube Dampers for Comfort and Control
At the heart of the SST2.1 system are Falcon 2.1 monotube dampers, tuned specifically to balance comfort, stability, and control for the 4Runner platform. These dampers deliver improved on-road handling and stability at highway speeds while also providing enhanced off-road control on sand, rocks, and uneven terrain. The 6061-T6 aluminum shock bodies offer excellent durability and corrosion resistance through long-term outdoor use. This level of damper quality gives the lifted 4Runner a ride character that feels balanced and predictable rather than harsh or unpredictable like a basic spacer lift.
Heavy Duty Tubular Upper Control Arms for Improved Articulation
The SST2.1 system includes heavy-duty DOM tubular upper control arms with corrected ball joint angles that improve strength and articulation over the factory geometry. Correcting the ball joint angle on a lifted 4Runner is important for maintaining proper suspension travel and preventing accelerated ball joint wear that occurs when factory arms are used at lifted ride heights. These tubular UCAs give the front suspension the geometry correction and added articulation needed to perform well both on the road and on the trail.
Wheel and Tire Fitment
The maximum recommended tire diameter for this system is 33 inches. The optimized setup uses a 295/65R18 tire on an 18x9 wheel with plus zero offset. Additional common fitments include 33x11.50 on a 9-inch-wide wheel with plus 6 offset, 285/60R20 on a 20-inch wheel, and 285/50R22 on a 22-inch wheel. Larger tires or more aggressive offsets may require trimming to prevent rubbing. ReadyLIFT wheel and tire recommendations are based on Wheel Pros wheels and Nitto tires. Actual fitment can vary by manufacturer, so every combination should be test-fit before final installation.
Compatibility Notes
This system is not compatible with TRD Pro, X-REAS suspension, or KDSS suspension equipped 4Runner models. Confirm your specific trim and suspension configuration before ordering.
Product Details
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Specification
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Details
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Compatible Vehicle
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2010 to 2024 Toyota 4Runner
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Brand
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ReadyLIFT
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Total Lift
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Up to 3 inches
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Front Lift
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2.5 inches
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Dampers
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Falcon 2.1 Monotube
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Shock Body Material
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6061-T6 Aluminum
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Upper Control Arms
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Heavy Duty DOM Tubular
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Installation
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Bolt-on, No Cut
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Max Tire Size
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33 inches
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Optimized Fitment
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295/65R18 on 18x9 plus 0 offset
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Not Compatible
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TRD Pro, X-REAS, KDSS
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Who This System Is For
The ReadyLIFT 3 Inch SST2.1 Suspension System Toyota 4Runner is the right upgrade for 2010 through 2024 owners who want a bolt-on lift with proper damper tuning, geometry-correcting upper control arms, and enough tire clearance to run up to 33-inch tires without compromising daily ride quality. Falcon 2.1 dampers, tubular UCAs, and a no-cut installation make this one of the most complete and well-balanced lift systems available for the 4Runner platform.
