Suspension Rubber Helper Spring KitSuspension Enhancement SystemSuspension Enhancement System; Weight Capacity 4000 lbs.; Front;SPECIFICATIONS:Usage: Light Duty TruckPosition: FrontAxle Style: NAFEATURES:Eliminate Suspension Sag And Cushion Road ShockReduce Sway And Improve Roll StabilityEasy To Install With Basic Hand ToolsImproves Roll ControlTrouble And Maintenance Free Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.