Firestone Ride-Rite 4185 Rear Coil-Rite Air Helper Spring Kit for 09-18 Ram 1500

The Firestone Coil-Rite Air Helper Spring Kit is a performance upgrade designed for the rear suspension of 2010-2018 Dodge Ram 1500 2WD and 4WD models. This kit features air helper springs that fit inside existing coil springs to provide a variable spring rate, helping to level the vehicle and improve handling under heavy loads or adverse road conditions. Constructed from durable, elastic polyurethane, these springs support between 500 and 1000 pounds per set, enhancing ride comfort and stability. The ability to adjust air pressure allows for customized load support, similar to inflating a tire, ensuring optimal performance across a range of driving scenarios and temperatures from -40°F to 180°F.

This kit is specifically designed for rear coil spring suspensions on Dodge Ram 1500 models from 2010 to 2018, compatible with both 2WD and 4WD configurations. It serves as an effective load-leveling solution for towing, hauling, or carrying heavy payloads, providing improved braking and handling. The installation is a direct fit within the existing coil springs, making it suitable for DIY enthusiasts or professional installation. The kit includes the necessary air springs and components to enable precise pressure adjustments, ensuring a smoother, more controlled ride in various driving conditions.