What is the primary benefit of a progressive rate leaf spring?

Progressive rate leaf springs offer a dual-rate system. They provide a softer initial spring rate for a more comfortable ride during normal driving, and then engage additional leaves as the suspension compresses under load, offering increased support and capacity when you need it most.

What is included in this Carli leaf spring kit?

This kit includes the progressive rate rear leaf springs and the U-bolt kit required for installation. It is designed to work with your truck's existing components, providing the necessary hardware for a complete rear suspension upgrade.

How does this kit help with towing or hauling loads?

The progressive HD springs are specifically designed to handle constant loads up to 1,500 lbs, making them ideal for slide-in campers or other heavy cargo. They help prevent excessive sagging and reduce axle wrap, which can lead to wheel hop under acceleration when the truck is heavily loaded.

Specifications

Brand: Carli
Part #: CS-DFSP-03-H-HD

Carli

Carli Rear Progressive Hd Leaf Spring Kit - 2003-09 Ram 2500/3500 - Gas - 2in Lift

Name: Carli Rear Progressive Hd Leaf Spring Kit - 2003-09 Ram 2500/3500 - Gas - 2in Lift
Brand: Carli
SKU: carli-carli-rear-progressive-hd-leaf-spring-kit-2003-09-ram-2500-3500-gas-2in-li-t14-832017G
Price: 2463.04 USD
Availability: BackOrder

$2463.04

On Backorder

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Fits 2003-2009 Dodge Ram 2500/3500. Carli progressive HD leaf spring kit adds 2" lift for improved load capacity and ride.

Key Features

Fits 2003-2009 Dodge Ram 2500 and 2003-2009 Dodge Ram 3500.
Provides a 2-inch rear lift, maintaining a slight rear-height stance with Carli 3-inch front systems.
Designed for trucks carrying constant loads up to 1,500 lbs, ideal for mid-sized slide-in campers.
Offers a progressive rate that combines weight capacity with smooth street performance.
Capable of achieving 15 inches of suspension travel when used with a factory shackle.
Minimizes axle wrap and wheel hop for improved traction and stability under load.

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About this part

Product Details

If you're looking to improve the rear suspension on your 2003-2009 Dodge Ram 2500 or 3500, especially if you frequently carry loads, this Carli Rear Progressive HD Leaf Spring Kit is a solid option. These springs are built by Deaver and are designed to handle constant weight, making them ideal for trucks that regularly carry mid-sized slide-in campers or other loads up to 1,500 lbs in the bed. They offer a good balance, providing the necessary weight capacity without sacrificing a smooth ride on the street.

What makes these springs stand out is their progressive rate design. This means they offer a softer initial spring rate for everyday driving comfort, but as they compress under load, additional leaves engage to provide increased support. This setup helps minimize axle wrap and wheel hop, which is a common issue when hauling heavy loads or during hard acceleration. With these springs, you can achieve up to 15 inches of suspension travel when paired with a factory shackle, allowing for better articulation off-road or over rough terrain.

This kit includes the U-bolt kit needed for installation, ensuring you have the essential hardware to get the job done. The 2-inch rear lift it provides helps maintain a slight rear-high stance, which is often desirable when towing or carrying significant weight, and it works well with Carli's 3-inch front suspension systems for a balanced look and feel.