ICON Billet Upper Control Arm Delta Joint Kit

Fits 2007+ Toyota FJ Cruiser and 2003+ Toyota 4Runner

Part #: 58551DJ

Overview

The ICON Billet Upper Control Arm Delta Joint Kit is a high-performance suspension upgrade designed for Toyota FJ Cruisers and 4Runners. Crafted with precision and durability in mind, these control arms feature ICON's patented Delta Joint, a heavy-duty high-angle ball joint that offers the best of both worlds—ball joint durability combined with uniball-like articulation. This kit is ideal for off-road enthusiasts and daily drivers seeking improved suspension performance, increased wheel travel, and enhanced durability in demanding conditions. Whether you're tackling rugged trails or upgrading your vehicle for better handling and ride quality, these control arms provide a reliable solution that supports your vehicle's suspension system.

Key Features

Designed from high-strength billet aluminum for maximum durability and precision fitment, these control arms incorporate ICON's innovative Delta Joint technology, which helps reduce bind and wear during articulation. The heavy-duty ball joints are sealed to protect against dirt, water, and debris, ensuring long-lasting performance. The kit is engineered to improve suspension geometry, providing better wheel alignment and handling characteristics. The robust construction supports aggressive off-road use while maintaining excellent on-road manners. Installation is straightforward for those familiar with suspension upgrades, and the components are built to withstand the rigors of off-road adventures and daily driving alike.

Construction & Design

Constructed from high-quality billet aluminum, these control arms are machined for precise fitment and strength. The Delta Joint features a heavy-duty ball joint design with a sealed, dust-resistant boot, ensuring reliable operation in harsh environments. The design emphasizes durability, corrosion resistance, and consistent performance over time, making them a dependable upgrade for your vehicle's suspension system.

Driving Feel & Feedback

These control arms help improve suspension articulation and stability, providing a more responsive and controlled ride both on and off-road. The enhanced geometry reduces binding and allows for smoother wheel travel, resulting in better handling, increased comfort, and improved driver confidence in challenging terrain.

Installation & Fitment

Installation requires basic suspension knowledge and tools. The control arms are designed as direct bolt-on replacements for factory components, simplifying the upgrade process. Proper alignment is recommended after installation to ensure optimal handling and tire wear.

What’s Included

The package includes the upper control arms with integrated Delta Joints, along with all necessary hardware for installation. Additional components or tools are not included but are typically required for suspension work.

Ideal For

Off-road enthusiasts, overlanders, and daily drivers looking to enhance suspension durability, articulation, and handling in rugged conditions.