If you’re a serious towing enthusiast, you probably already know the reasons why you should add a truck air ride suspension system to your heavy-duty truck: a quality truck air suspension system helps by cushioning a bumpy ride, leveling your vehicle, reducing wheel hopping, limiting trailer bucking and adding stability during braking. And, an air ride suspension system helps you protect your investment in your heavy-duty truck by preventing the harsh wear and tear caused by heavy towing. Adjustable “helper” springs. This type of system is generally comprised of an add-on helper spring that aids in leveling the truck and reducing vehicle bounce, dip, or bottoming out when hauling a heavy load or towing. The air springs can be adjusted, often with a service station air hose, to the truck’s load condition for more control and leveling support.