Owners of late model Dodge Ram 1500 pickups using EcoDiesel technology can now experience the enhanced performance benefits of a lifted ride height with the Rancho Suspension 4" Performance Suspension System, No. RS66402B, engineered for use on 2017-13 Ram 1500 4WD trucks using either gas and diesel engines. The suspension kit provides an additional 4" of lift and is designed to offer drivers uncompromising on- and off-road performance. Each kit features Rancho’s fully boxed welded subframe, designed to offer superior strength, along with ductile iron extended-length steering knuckles. The system is designed to accommodate up to 35" tires, with minor trimming. The new system replaces the RS66401B kit, which offered coverage for 2013-16 Ram 4WD gas models only.