Superlift 4in Block Kit

2003–2013 Dodge Ram 2500/3500 5.7L/6.7L

Part #: 4149

Overview

The Superlift 4in Block Kit is engineered to provide a reliable and effective suspension lift solution for Dodge Ram 2500 and 3500 models from 2003 to 2013 equipped with 5.7L Hemi and 6.7L diesel engines. Designed by true truck and off-road enthusiasts, this block kit raises the rear suspension by 4 inches, enhancing ground clearance and allowing for larger tires without compromising ride quality. Ideal for drivers seeking improved off-road capability while maintaining excellent on-road performance, this kit balances rugged durability with everyday drivability.

Superlift’s commitment to quality and customer satisfaction ensures that this block kit performs better than advertised, whether you’re navigating rough trails or cruising highways. Backed by decades of expertise, the 4in Block Kit is a trusted upgrade for Dodge Ram owners looking to enhance their truck’s stance and capability.

Key Features

This 4-inch block kit offers a range of benefits tailored to meet the demands of heavy-duty trucks and off-road enthusiasts:

• Raises rear suspension by 4 inches for improved ground clearance
• Compatible with 2003–2013 Dodge Ram 2500 and 3500 models with 5.7L Hemi and 6.7L diesel engines
• Allows installation of larger tires for enhanced off-road traction and appearance
• Maintains factory ride quality and handling characteristics
• Constructed from high-strength materials for long-lasting durability
• Precision-engineered to fit seamlessly with existing suspension components
• Corrosion-resistant finish to withstand harsh environmental conditions
• Simple installation process with no major modifications required
• Designed and tested by experienced off-road enthusiasts for real-world performance

Construction & Design

The Superlift 4in Block Kit is crafted from premium-grade steel, ensuring exceptional strength and resistance to wear under demanding conditions. Each block is precision-machined to exact specifications, guaranteeing a perfect fit and reliable performance. The durable powder-coated finish protects against rust and corrosion, extending the life of the components even in wet or muddy environments.

Engineered with a focus on maintaining the integrity of the factory suspension geometry, this block kit integrates seamlessly with your Dodge Ram’s rear leaf springs. The design minimizes stress on other suspension parts, preserving ride comfort and vehicle stability both on and off the road.

Installation & Fitment

Installation of the Superlift 4in Block Kit is straightforward and can typically be completed with basic hand tools. The kit fits directly between the rear axle and leaf springs, lifting the rear of the truck by 4 inches without requiring additional modifications. It is compatible with the following Dodge Ram models and engines:

• 2003–2010 Dodge Ram 2500 5.7L Hemi
• 2003–2007 Dodge Ram 2500 5.9L Diesel
• 2003–2009 Dodge Ram 3500 5.7L Hemi
• 2003–2007 Dodge Ram 3500 5.9L Diesel
• 2008–2010 Dodge Ram 2500 6.7L Diesel
• 2008–2010 Dodge Ram 3500 6.7L Diesel
• 2011–2013 Ram 2500 5.7L Hemi
• 2011–2013 Ram 2500 6.7L Diesel
• 2011–2013 Ram 3500 5.7L Hemi
• 2011–2013 Ram 3500 6.7L Diesel

For best results, professional installation is recommended, especially to ensure proper torque settings and alignment. Superlift’s knowledgeable tech support is available to assist with any questions during the installation process.

What's Included

• Two 4-inch rear lift blocks
• U-bolts and necessary mounting hardware
• Installation instructions with detailed guidance

Ideal For

This block kit is perfect for Dodge Ram owners who want to improve their truck’s off-road capability and appearance without sacrificing on-road comfort. It suits those who frequently tow or haul heavy loads and need additional rear suspension height to accommodate larger tires or improve clearance. Whether you’re an off-road enthusiast, a work truck operator, or someone who simply wants a more aggressive stance, the Superlift 4in Block Kit delivers dependable performance and lasting value.

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.