Air Spring; Frame Mount; 5000 Pounds Load Capacity at 50 Percent Compression; Not To Exceed The Gross Vehicle Weight; Polyurethane; With Two Helper Springs/ Four Mounting Bracket/ Two Axle Clamp Bracket/ Two Clamp Plate/ Two Spacer Plate/ Four Washer/ Six FHCS Bolt/ Four Hex Bolt/ Two Flange Bolt/ Two Screw And Heatshield