Air Helper SpringRide-Rite Air Helper SpringRide-Rite Air Helper Spring; 224C [1/2 in. NPT And Two 3/4 in. Studs On Top; Center Blind Nut On Bottom];SPECIFICATIONS:Max Load: 5000 lbs.FEATURES:Keep The Vehicle LevelLevel Off-Center LoadsReduce Suspension FatigueAir Adjustments Improves The RideReduce Bottoming OutIncrease Vehicle StabilityFirestone's most popular and comprehensive air helper spring line, Ride-Rite kits can be installed on most light trucks, motor-homes, RVs, SUVs and vans. Each application is specifically designed to maximize the vehicle's safe load-carrying capacity, stability, ride quality and brake effectiveness. Firestone Ride-Rite air helper springs provide load support through the use of air pressure that can be adjusted for changing loads. They enhance the ride by reducing inter-leaf friction. The system features individual inflation valves that allow for separate side-to-side or front-to-rear adjustment, which helps keep the vehicle level when carrying off-center loads and maintains ride quality under differing load conditions. Most Ride-Rite kits are no-drill systems, designed to use the vehicle's factory holes and mount between its frame and suspension. All the components are included in the kit for an easy installation that typically takes 1 to 2 hours. Kits come with a two-year limited warranty.More than seventy years ago, Firestone started developing a full air-based suspension for passenger cars. Firestone Airide air springs were installed on the new line of general Motors buses in the late 50's. Later that decade, air springs began to gain popularity in luxury vehicles. Over the next 20 years, technology improvements in other suspension components, such as compressors and valves, helped support the growth of air suspension. In the 1970's, Ford Motor Company incorporated air suspension in the Lincoln Town Car and Continental. Firestone has continued to be innovative in product design, material selection and customer service, providing o
