ICON's 2014-2018 RAM 2500 4WD 2.5” Stage 1 Suspension System is made up of dual rate front coil springs, necessary bracketry and hardware, as well as 2.0 Aluminum Series front and rear shocks. This entry level system increases ride quality and performance both on and off road. The ICON stage 1 system is great for towing, rough construction site terrains, and country dirt roads all while keeping a smooth highway feel. With the endless hours ICON has spent testing and tuning our suspension components and shocks as a complete package, you can rest assured you have the best suspension solution on the market.