We've bundled everything you need in a leveling kit for your RAM 3500 4WD with high quality Cognito components and Fox shocks. There is no guesswork.The Cognito 3-inch front coil springs offer the increased ride height you want without sacrificing ride quality. These springs feature a progressive spring rate to achieve optimal ride quality.Cognito HD Track Bar recenters the front axle and is specifically designed for 3 inches of front lift. The Track Bar's fixed-length design makes for a quick install with no unnecessary adjustments.The 2.0 Performance Series IFP smooth body shocks contain the latest in shock technology to transform the performance of your truck or SUV. They use our race-proven damping control to provide a comfortable on-road ride and predictable off-road handling in even the toughest conditions. Made in the USA.