Gabriel 49310 Hijackers Air Shocks Americas best-known air-adjustable shock ideal for towing or heavy loads Americas best-known air-adjustable shock absorber Ideal for temporarily towing boats and trailers or for heavy loads Can help improve handling and can reduce the risk of bottoming out Up to 1,100 pounds per pair of leveling capacity [Not to exceed vehicle GVWR (Gross Vehicle Weight Rating). Product does not increase payload]