This product will not increase the load capacity of your vehicle. All modifications must be installed by qualified personnel and in compliance with your local modification regulations. It is necessary to ensure that there is at least 1/2 of gap between the kit and the frame when the car is empty. 2x Pre-Assembled Rubber springs. Includes hardware needed to Install. Restore the original ride height and improve ride quality. Rear left and right. Up to 8600 LBS. Ease of installation: Directly replace the bump stop of the original car. Ease of use: Requires zero maintenance. Reliability: No air leaking, No need for air lines and compressors. Stability: Reduce the sag of the rear end of the car and soften sharp rebounds. Quality: High-quality rubber that has been verified many times. MaXpeedingrods Suspension Enhancement Kit Solves These Common Problems. Other items you might also like. Maxpeedingrods 7500 Air Suspension Bag Kit For Ford F250/F350/F450 4WD 17-21. Dual Steering Stabilizer W/ Brackets for Ford F250 F350 Super Duty 4WD 05-24. Rear Suspension Air Spring leveling Bag Kit Fit Ford F250 F350 2017 XL Crew. One Year Unlimited Mileage Quality Guarantee. Our representatives will provide you with detailed instructions on how to proceed. Our guarantee covers only the cost of the item. Our customer service center is open 24 hours a day, seven days a week. We are dedicated to providing excellent customer service and will do everything we can to ensure your satisfaction.