Coil-Rite(R) Air Helper Spring Kit Coil-Rite(R) Air Helper Spring Kit; Rear; Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required; OEM Number W237604175; LINCOLN MKC BASE BLACK LABEL PREMIERE RESERVE SELECT 2015 2016 2.3L (140) 2L (1999cc) EcoBoost GAS Firestone Ride-Rite Firestone Ride-Rite Coil-Rite Air Helper Spring Kit - 4175 4175 Suspension Load Leveling Kit