ICON Rear Box Kit

Jeep Wrangler 07-17 3.8L/3.6L

21000

Overview:

The ICON 4.5in Rear Box Kit is a comprehensive upgrade designed specifically for Jeep Wrangler JK models from 2007 through 2018. This kit provides all the essential components needed to properly lift the rear suspension when paired with an ICON 4.5” lift system. It is engineered to ensure a seamless installation while enhancing the vehicle’s off-road capability and ride quality. Ideal for Jeep enthusiasts seeking a reliable and durable rear suspension lift solution, this kit addresses common fitment challenges by including precision-engineered hardware and components.

Whether you are upgrading your Wrangler for trail performance or improved stance, the ICON Rear Box Kit delivers the necessary parts to maintain proper geometry and suspension function after lifting the rear end.

Key Features:

This kit includes a range of high-quality components designed for durability and performance:

• Fabricated adjustable rear sway bar links featuring FK rod ends and polyurethane bushings for improved articulation and reduced noise
• CNC laser-cut and brake-formed rear track bar drop bracket, powder coated to resist corrosion and provide long-lasting strength
• Billet aluminum bump stop spacers precisely machined to maintain proper suspension travel and prevent damage
• Extended stainless steel braided brake lines to accommodate the increased suspension height while ensuring reliable brake performance
• All necessary mounting hardware included for a complete and hassle-free installation

Construction & Design:

Every component in the ICON Rear Box Kit is crafted with durability and precision in mind. The rear track bar bracket is CNC laser-cut from high-grade steel and brake-formed for exact fitment, then powder coated to protect against rust and corrosion. The adjustable sway bar links utilize FK rod ends combined with polyurethane bushings, offering a balance of strength, articulation, and noise reduction. Billet aluminum bump stop spacers are CNC machined to tight tolerances, ensuring consistent suspension performance. The stainless steel braided brake lines provide superior resistance to abrasion and expansion, maintaining brake feel and safety after lift installation.

Installation & Fitment:

The ICON Rear Box Kit is designed for straightforward installation alongside the ICON 4.5” lift suspension system on Jeep Wrangler JK models from 2007 to 2018. All mounting hardware is included, and the kit’s components are engineered to fit precisely without the need for additional modifications. This ensures proper suspension geometry and brake line routing after lift installation, preserving vehicle handling and safety. Professional installation is recommended to guarantee optimal results and alignment.

What's Included:

• Fabricated rear track bar drop bracket (powder coated)
• Adjustable rear sway bar links with FK rod ends and polyurethane bushings
• CNC machined billet aluminum bump stop spacers
• Extended stainless steel braided brake lines
• Complete mounting hardware kit

Ideal For:

This kit is perfect for Jeep Wrangler JK owners who are installing an ICON 4.5” rear lift and want to ensure a complete, high-quality suspension upgrade. It suits off-road enthusiasts, daily drivers, and anyone seeking improved rear suspension geometry, enhanced articulation, and reliable brake line performance after lifting their vehicle. Compatible with a wide range of JK trims including Rubicon, Sahara, Sport, and Unlimited models from 2007 through 2018.

ICON Vehicle Dynamics builds performance suspension components for trucks and SUVs—think coilovers, shocks, lift/leveling systems, and supporting hardware engineered for hard off-road use. Their setups are designed to improve control, ride quality, and durability when you’re pushing faster over rough terrain or building a capable overland/trail rig.