The ContiTech Rolling Lobe Air Spring 64254/1R14-039/8320 keeps you Ready for the Road Ahead , boasting the capability to lower or raise the truck's body height to match a ramp's elevation or to set up a suitable platform. Rolling lobe air springs incorporate a piston which allows the flexible member to roll along the piston’s surface. These air springs also achieve persistent and low natural frequency between tare and full load. This ensures effective cargo protection, even on poor road surfaces, excellent comfort and health protection for the truck driver, and safe driving conditions. FleetPride knows you need quality suspension and steering parts to reduce wear and tear and ultimately, downtime. Whether you need cab, truck or trailer air springs, we have the heavy duty air bags you need for a quiet, stable ride. FleetPride is your First Click in Heavy Duty .