This is a great option for those of you on a budget but still looking for a quality air bag. This single ply 2500lb capacity air bag that is made from heavy-duty reinforced rubber, which is configured with double convoluted chambers built to withstand 200psi. That's more than you need for your hotrod, sport truck, or load leveling kit.Features:3/8" NPT Female Port2.80" Fully Collapsed Height8.50" Fully Extended Height6.25" Maximum Diameter200psi Max Pressure3/8-16 Thread Pitch1.75" Upper Bolt SpacingCentered Lower Bolt MountingIncludes:6" 2500 Air Bag (1)(Fitting not Included)