The Tuff Country Part Number 81350 add-a-leafs provide an economical way to add lift and increase payload capacity to your vehicle's existing leaf spring suspension. These add-a-leafs are designed to be installed onto the stock leaf springs, offering a small lift of approximately 2 inches, which enhances ground clearance and overall vehicle stance. They are compatible with a variety of models, including 2005-2009 Chevy Silverado 1500 and 2006-2009 Hummer H3, making them versatile for many truck and SUV owners. The installation process involves adding these leaf springs to your existing suspension, providing a straightforward upgrade option without extensive modifications. <b>Features:</b> * Lift Height: Adds approximately 2 inches to vehicle height for improved ground clearance * Compatibility: Fits specific models including Chevy Silverado 1500 and Hummer H3 from various years * Design: Constructed for easy installation onto existing stock leaf springs * Payload Capacity: Increases load-carrying ability for hauling or towing needs * Material: Durable steel construction for long-lasting performance