Superlift 4in Lift Bilstein Shock Box with Radius Arms

2013–2018 Ram 3500 Diesel 6.7L, 2014–2018 Ram 3500 6.4L 392, 2013–2018 Ram 3500 5.7L Hemi

Part #: 84039

Overview

The Superlift 4in Lift Bilstein Shock Box with Radius Arms is a premium suspension upgrade designed specifically for Ram 3500 trucks from 2013 to 2018, including diesel and gasoline engine variants. This lift kit is engineered to provide a balanced 4-inch suspension lift, enhancing ground clearance and off-road capability while maintaining excellent on-road handling and ride quality. Ideal for truck enthusiasts who demand both rugged performance and daily drivability, this kit combines Superlift’s industry-leading design with Bilstein’s renowned shock technology.

Built by true truck and off-road enthusiasts, Superlift understands the importance of a suspension system that performs reliably in diverse conditions. Whether you’re tackling rough trails or cruising highways, this lift kit ensures your Ram 3500 stands taller and rides smoother without compromising safety or comfort.

Key Features

This Superlift suspension system integrates advanced components to deliver superior lift and control:

• 4-inch suspension lift designed for Ram 3500 models with 6.7L Diesel, 6.4L 392, and 5.7L Hemi engines
• High-performance Bilstein shocks engineered for enhanced damping and durability
• Heavy-duty radius arms to maintain proper suspension geometry and improve axle articulation
• Precision-engineered components for improved ride quality both on and off-road
• Durable construction built to withstand harsh off-road environments and heavy loads
• Maintains factory steering and braking performance for safe handling
• Designed to work seamlessly with factory and aftermarket accessories
• Comprehensive engineering ensures compatibility with stock and upgraded drivetrains

Construction & Design

Superlift’s 4in Lift Bilstein Shock Box with Radius Arms features robust materials and meticulous craftsmanship. The radius arms are constructed from high-strength steel, providing exceptional rigidity and resistance to bending or fatigue under demanding conditions. Bilstein shocks included in the kit utilize monotube technology with gas pressure to deliver consistent damping performance and superior heat dissipation, ensuring long-lasting shock absorption and control.

Every component is precision-engineered to maintain proper suspension geometry, which is critical for preserving handling characteristics and tire wear. The design also accounts for the increased suspension travel and articulation required for off-road use, delivering a smooth, controlled ride without sacrificing durability.

Installation & Fitment

This lift kit is designed for direct fitment on 2013–2018 Ram 3500 trucks equipped with 6.7L Diesel, 6.4L 392, or 5.7L Hemi engines. Installation requires moderate mechanical skills and standard automotive tools. The kit includes all necessary components to complete the lift, including radius arms and Bilstein shocks, and is engineered to work with factory mounting points to minimize modifications.

Professional installation is recommended to ensure proper alignment and suspension geometry. Once installed, the lift kit provides a reliable 4-inch increase in ride height, improving ground clearance and allowing for larger tires if desired.

What's Included

• 4-inch lift radius arms
• Bilstein monotube gas shocks
• All necessary mounting hardware and brackets
• Installation instructions

Ideal For

This Superlift 4in Lift Bilstein Shock Box with Radius Arms is ideal for Ram 3500 owners who want to enhance their truck’s off-road capability and appearance without sacrificing on-road comfort. It suits diesel and gasoline-powered models alike, making it a versatile choice for heavy-duty towing, hauling, and recreational off-roading. Enthusiasts seeking a reliable, well-engineered suspension upgrade that balances performance and durability will find this kit an excellent investment.

Superlift Suspension Systems builds lift kits, leveling systems, shocks, and steering components engineered to increase ground clearance while keeping suspension geometry and control dialed in for real off-road use. It’s a staple brand for truck and SUV enthusiasts who want stronger stance and trail capability without giving up stability and ride confidence on the street.