Air Suspension Bags Kit. MaXpeedingrods Air Suspension Bags Kit. 1? Stress Test Over 5,000,000 Times:Durable and Safe. 2? Burst Pressure? 2.0MPa:High Compressive Strength and Less Noise. 3? 24 Hours Air Tightness Test? 0.02MPa:100% Air Tightness Guarantee. 4? Temperature Range? -40? /? 70? :Premium Natural Rubber Material. 5? Use high-quality steel with high load-bearing capacity and long life. 6? Excellent and practical bolt-on installation. 7? Safe carrying capacity and stability. 8? Restore the original ride height and improve ride quality. 9? Ensure our driving comfort and reduce tire wear. 4x Upper and lower mounting brackets. Includes All Brackets & Hardware Needed to Install. Internal Jounce Bumper include. Rear left and right. Up to 2500 LBS. MaXpeedingrods Air Suspension Bags Kit Solves These Common Problems. Other items you might also like. 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.