SSA15 | SuperSprings for Chevrolet|GMC Silverado|Sierra 2500|3500, Dodge RAM 2500, Dodge RAM 3500, Ford F-250|F-350 Sold as a pair (left and right). Maintenance-free. Self-adjusting suspension stabilizing system. 2600 (lb) Additional Load-Leveling Ability. Reduces body roll up to 30% without compromising ride quality.