The Firestone Ride-Rite rear air helper spring kit for 2005–2018 Ford F-150 (2WD/4WD, not Raptor) provides adjustable air support to increase load-carrying capacity, reduce inter-leaf friction and improve ride quality. The kit supplies air springs, supports, hardware, air line and inflation valves for adjustable side-to-side or front-to-rear leveling. This application requires drilling and installs in roughly 1–2 hours.
Firestone Ride-Rite Air Helper Spring Kit Rear 05-18 Ford F-150 2WD/4WD (Not Raptor) (W217602582)