~(60 lbs. 56X7X7)~ SuperSprings for Ford F-450F-550 ChevroletGMC KodiakTopKick 45005500

SuperSprings are a unique and patented self-adjusting suspension stabilizing system for vehicles with rear leaf springs, designed to level loads and reduce body roll. SuperSprings provide users extra load support and reduce body roll without compromising ride quality. The SuperSpring includes a patented roller shackle on each end that allows for self-adjustment as weight is changed. This is particularly helpful as you add water, tools or heavy gear to your vehicle. The SSA17.5 has an additional load leveling capacity of 2,500 lb. For chassis cab models only; Do not use on pickup models. May be used on trucks equipped with top overload spring, For cutaway models only. Do not use on van models. Never load any vehicle beyond the manufacturer's GVWR.