Air Lift LoadLifter 5000 Ultimate adjustable air spring kit for 2015–2016 Ford F-450 Super Duty adds heavy-duty, leaf-spring-compatible support with up to 5,000 lbs of load-leveling capacity. The ULTIMATE springs include an internal closed-cell urethane jounce bumper for added cushioning, operate from 5–100 PSI, run safely with zero air pressure, and come with comprehensive hardware and a limited money-back guarantee plus a lifetime warranty.
Air Lift LoadLifter 5000 Ultimate w/Internal Jounce Bumper for 15-16 Ford F-450 Super Duty