Weight Distribution System Up to 1,400lb maximum tongue weight;Up to 14,000lb maximum gross weight rating;Forged, tapered, round spring steel bars for a smoother ride;Operated with a positive cam latchinghook up action;Adjustable ball mount height for different lift sizes, 5.5 max drop Smittybilt Smittybilt Weight Distribution System - 87550 87550 Weight Distributing Hitch