SSA10 | SuperSprings for Chevrolet|GMC Silverado|Sierra 2500|3500, RAM 2500, RAM 3500, Ford F-250|F-350 Sold as a pair (left and right) Maintenance-free Self-adjusting suspension stabilizing system 1650 (lb) Additional Load-Leveling Ability Reduces body roll up to 30% without compromising ride quality