SSF-203-47 | SumoSprings Front for Chevrolet Silverado 1500, GMC Sierra 1500 Sold as a pair (left and right) Maintenance-free Enhances load carrying ability 1400 (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