SSR-280-54-1 | SumoSprings Rear for Workhorse W20|W22|W24 Sold as a pair (left and right) Maintenance-free Enhances load carrying ability 5600 (lb) Capacity at 50% Compression Reduces and stabilizes sway Get a smoother and comfortable ride Utilizing molecular foam Maintenance free suspension springs Levels load; reduces sway Leak proof/puncture proof