Coil-Rite Air Helper Spring Kit Coil-Rite(R); Air Helper Spring Kit; Rear; Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves FORD EXPLORER BASE LIMITED PLATINUM SPORT XLT 2011 2012 2013 2014 2015 2016 2.3L (140) 2L (1999cc) EcoBoost 3.5L (3496cc) 3.5L (3496cc) (Duratec) 3.5L (3496cc) (EcoBoost) GAS Firestone Ride-Rite Firestone Ride-Rite Coil-Rite Air Helper Spring Kit - 4189 4189 Suspension Load Leveling Kit