Firestone air spring systems are designed to maximize safe load carrying capacity, stability and overall ride quality. They are designed and assembled in the USA. Ride-Rite air springs use the same Firestone technology used on many heavy-duty trucks, trailers and buses on the road today. That means in addition to Firestone’s reputation for commercial grade durability, quality, reliability and service, you’ll get: F150 pulling boatImproved Handling,Braking and Load Our line of air springs keep your vehicle level, even when carrying an uneven load. That means more effective handling and braking even in tough road and heavily loaded conditions. Keeping the vehicle level also means less tire wear. Our spring systems also allow you to adjust air inflation on each side of your vehicle independently in order to level off-center loads Reduced Wear N' TearOur air springs reduce suspension fatigue by keeping leaf springs from permanent sagging and reduce bottoming out with load support that reduces the stress on the vehicle suspension. Horse and Trailer A Better RideOur air springs, when bearing a load, increase vehicle stability by absorbing road shock, which is good news for you, your passengers, your cargo, and, by providing more efficient gas mileage, your pocketbook.