SuperSway-Stops are designed to provide additional stability for trucks equipped with auxiliary top overload leaf springs and air springs. SuperSway-Stops are manufactured from micro-cellular urethane. They have a progressive spring rate and provide additional resistance under greater loads.
99 F250, 99-16 F250/350
Image may differ from actual product
For use with helper spring kits/ where factory overload spring is no longer in contact with oem bump stops