The LoadLifter 5000 Ultimate Air Spring Kit (88385) is a top-of-the-line suspension upgrade for heavy-duty trucks and SUVs. It features adjustable air springs that provide up to 5,000 pounds of load-leveling capacity, ensuring a smooth and stable ride even when carrying heavy loads. The kit also includes high-quality, durable components and easy-to-use air controls for convenient adjustments. With its ability to improve handling, reduce bottoming out, and increase overall safety, the LoadLifter 5000 Ultimate Air Spring Kit is a must-have for any vehicle that regularly carries heavy loads.