ICON Suspension Systems

Fits 2003–2009 Toyota 4Runner and FJ Cruiser

Part #: K53055T

Overview

The ICON 03-09 Toyota 4Runner and FJ Cruiser Stage 5 Suspension System with Tubular UCA is a high-performance upgrade designed for off-road enthusiasts and daily drivers seeking enhanced durability and articulation. This comprehensive suspension kit features upper control arms equipped with ICON's patented Delta Joint, a heavy-duty high-angle ball joint that offers the robustness of a traditional ball joint combined with the performance benefits of a uniball. Built to withstand demanding conditions, this system improves wheel travel, handling, and overall ride quality, making it ideal for those pushing their vehicle's off-road capabilities while maintaining daily drivability. Whether you're tackling rugged trails or seeking a more responsive on-road experience, this suspension system is engineered to support your vehicle’s performance and durability. It helps optimize suspension geometry, reduce binding, and improve articulation, ensuring your 4Runner or FJ Cruiser can handle challenging terrains with confidence.

Key Features

This Stage 5 suspension system is crafted with high-quality materials and innovative design to deliver superior performance and reliability. Key features include:

• Heavy-duty Delta Joint ball joints for high-angle articulation and durability
• Precision-machined tubular upper control arms for strength and lightweight performance
• Corrosion-resistant finishes for long-lasting performance in harsh environments
• Designed to improve wheel travel and handling off-road
• Engineered for a direct bolt-on installation with minimal modifications
• Supports up to 3.5 inches of lift for increased ground clearance
• Optimized suspension geometry for improved stability and control

Construction & Design

The control arms are constructed from high-strength tubular steel, ensuring maximum durability while keeping weight to a minimum. The Delta Joints feature a heavy-duty design with sealed bearings to resist dirt, mud, and water ingress, extending service life and maintaining performance over time. The finishes are corrosion-resistant, making this suspension system suitable for off-road adventures in all weather conditions.

Driving Feel & Feedback

This suspension upgrade enhances your vehicle’s off-road articulation and handling, providing a more responsive and controlled driving experience. The improved geometry reduces body roll and enhances stability, giving you confidence on rugged trails and uneven terrain. On-road, the system offers a smoother ride with better steering response, making daily driving more comfortable and predictable.

Installation & Fitment

Designed as a direct bolt-on upgrade, this system requires basic mechanical skills and standard tools for installation. Proper alignment is recommended after installation to ensure optimal performance and tire wear.

What’s Included

The package includes all necessary control arms, Delta Joints, hardware, and mounting components needed for a complete installation.

Ideal For

Off-road enthusiasts, overlanders, and daily drivers looking to improve their vehicle’s suspension durability, articulation, and overall handling in challenging conditions.