Cognito Leaf Spring Mini Pack Kit

2003–2013 Dodge Ram 2500 / 2011–2025 Ram 3500 with Various Engines

Part #: 215-91287

Overview

The Cognito Leaf Spring Mini Pack Kit is engineered to improve the rear suspension performance of Dodge Ram 2500 and Ram 3500 trucks spanning model years 2003 through 2025. Designed as a progressive overload spring, this mini pack replaces the stock bottom overload spring, which is known for its harsh spring rate. By upgrading to Cognito’s mini pack, drivers will experience a smoother ride quality while gaining a rear lift ranging from ½ inch to 1¼ inches, depending on the number of spacer blocks installed.

This kit is ideal for Ram owners seeking enhanced rear suspension comfort and improved load handling without sacrificing ride quality. It is compatible with multiple engine configurations including 5.7L Hemi, 5.9L Diesel, 6.4L 392, and 6.7L Diesel engines, making it a versatile solution for a wide range of Ram 2500 and 3500 trucks.

Key Features

The Cognito Leaf Spring Mini Pack Kit offers a range of benefits that enhance both ride comfort and vehicle stance:

• Progressive overload spring design for smoother ride and better load management
• Provides ½” to 1¼” of rear lift depending on spacer block usage
• Replaces the harsh stock bottom overload spring with a more compliant spring rate
• Compatible with multiple Dodge Ram 2500 and 3500 model years and engine types
• Improves rear suspension articulation and reduces bottoming out under load
• Durable construction designed to withstand heavy-duty use and off-road conditions
• Easy integration with existing leaf spring suspension setup
• Enhances overall vehicle balance and handling when carrying heavy payloads

Construction & Design

Cognito’s Leaf Spring Mini Pack Kit is crafted from high-quality spring steel engineered for durability and consistent performance. The progressive spring rate design allows the mini pack to absorb road irregularities more effectively than the stock bottom overload spring, resulting in improved ride comfort. The kit includes spacer blocks that enable adjustable lift height, allowing users to tailor the rear suspension lift from ½ inch up to 1¼ inches based on their specific needs.

Each component is precision-engineered to meet or exceed OEM specifications, ensuring a reliable fit and long-lasting performance. The robust materials and thoughtful design make this kit suitable for both daily driving and demanding work or off-road applications.

Installation & Fitment

The Cognito Leaf Spring Mini Pack Kit is designed for straightforward installation on compatible Dodge Ram 2500 and 3500 trucks. It installs in place of the stock bottom overload spring and includes spacer blocks to adjust lift height. No major modifications are required, making it a practical upgrade for owners looking to improve rear suspension performance and ride quality.

Fitment covers the following vehicles:

• 2003–2010 Dodge Ram 2500 5.7L Hemi
• 2003–2007 Dodge Ram 2500 5.9L Diesel
• 2011–2013 Ram 2500 5.7L Hemi
• 2011–2013 Ram 2500 6.7L Diesel
• 2011–2018 Ram 3500 5.7L Hemi
• 2011–2025 Ram 3500 6.7L Diesel
• 2014–2025 Ram 3500 6.4L 392

What's Included

• Progressive leaf spring mini pack
• Spacer blocks for adjustable rear lift
• Installation hardware
• Detailed installation instructions

Ideal For

This mini pack kit is perfect for Dodge Ram 2500 and 3500 owners who want to improve rear suspension comfort and gain a modest rear lift without compromising load capacity. It is especially beneficial for those who frequently carry heavy payloads or tow trailers and desire a smoother ride with better rear-end support. Off-road enthusiasts and daily drivers alike will appreciate the enhanced ride quality and suspension performance offered by this upgrade.

Cognito Motorsports specializes in designing and manufacturing high-performance suspension, steering, chassis, and accessory components for trucks, SUVs, and UTVs. Their products, including lift kits, leveling kits, and control arms, are engineered to enhance vehicle performance and durability, catering to both on-road and off-road enthusiasts seeking reliable and robust upgrades.