Suspension Rubber Helper Spring KitSuspension Enhancement SystemSuspension Enhancement System; Weight Capacity 3000 lbs.; Rear;SPECIFICATIONS:Usage: Light Duty TruckPosition: RearAxle Style: NAFEATURES:Eliminate Suspension Sag And Cushion Road ShockReduce Sway And Improve Roll StabilityEasy To Install With Basic Hand ToolsImproves Roll ControlTrouble 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.