Dobinsons 2010-2024 Toyota 4Runner IMS Suspension Kit

Dobinsons 2010-2024 Toyota 4Runner IMS Suspension Kit

Dobinsons IMS (Internal Monotube Shock) Suspension Lift Kits are designed for drivers seeking enhanced ride control, heat dissipation, and off-road performance over standard twin-tube systems. Built with 2.2″ monotube shocks and performance-tuned valving, these kits are perfect for daily drivers who need reliability with added trail capability.

Additional product quantities are pre-set for your convenience, you do not need to adjust manually in cart.

Key Features:

• IMS Monotube Shocks:

  • Large 2.2″ (56mm)  body for increased oil capacity and cavitation resistance.

  • Monotube design with high-pressure nitrogen gas for responsive damping.

  • Precision valving tuned specifically for each vehicle platform.

  • Hardened chrome 18/22mm piston rod and high-quality seals for durability in extreme conditions.

  • Features NOK long-life seals to withstand harsh environments
  • Uses custom-blended FUCHS oil for superior thermal stability and performance
• Coil Springs & Leaf Springs:

  • • Vehicle-specific springs available in multiple load ratings to suit different setups—daily driving, towing, or full overlanding builds.

    • Manufactured from high-quality spring steel, shot-peened and scragged to prevent sagging.

  • Greaseable Pins and Shackles:

    • Included in leaf spring setups to enhance articulation and ease maintenance.

    • Allows smoother suspension movement and longer bushing life.

  • U-Bolts and Bushings:

    • Heavy-duty U-bolts matched to spring and axle configurations.

    • Polyurethane bushings offer improved durability and ride comfort over factory rubber equivalents.

  • Strut Top Mounts & Hardware (where applicable):

    • Optional upgraded strut top mounts for easier installation and improved front-end feel.

    • Includes all necessary hardware for a complete bolt-on installation.

    • Matched components ensure correct alignment and geometry for safe handling.

Note: Long Travel Rear Shocks require Dobinsons variable rate coil springs, 3" bump stop extensions, and extended brake lines for proper fitment and performance. For optimal rear axle alignment and suspension geometry, the use of an adjustable Panhard rod (PR59-1423) is strongly recommended, along with adjustable upper (WA59-522K) and lower (WA59-520K) trailing arms.

Why Choose IMS Shocks:

The IMS Series represents a step up in performance, control, and heat resistance. With a large 2.2″ monotube body and high-pressure nitrogen design, IMS shocks deliver better fade resistance and more responsive damping—perfect for drivers who demand more from their suspension. Whether you’re tackling rough forest roads, carrying camping gear, or building a mild overland setup, IMS offers noticeable improvements over twin-tube systems. They’re great for people who hit the trails more often and want better on-road handling without going full race-spec.