For Ram 2500 – 4WD 2011. NOT Fit for Cab & Chassis Models. 1? Stress Test Over 3,000,000 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? Safe carrying capacity and stability. 6? Restore the original ride height and improve ride quality. 7? Ensure our driving comfort and reduce tire wear. The springs have up to 20 percent more air spring volume than normal springs. 9? The available volume in the double-bellows air springs enable greater leveling strength at lower pressures. Minimum PSI: 5 PSI. Internal Jounce Bumper included: No. Placement on Vehicle: Rear left and right. Package Length, width and height: 413326cm. Load capacity: Up to 7500 LBS. 2x Heavy Duty Double Bellow Air Ride Suspension bags. 6x Upper and lower mounting brackets. Includes All Brackets & Hardware Needed to Install. We Recommend Professional Installation. Other items you might also like. Air Tow Assist Rear Bag Kit for GMC Sierra for Chevy Silverado 1500 99-2006. Rear Air helper Spring Kit fit Chevrolet Silverado 1500 Short Bed 5′ 9 07-16. Rear Air Spring Kit For Ford F450 Super Duty 2017 Fit Single/Dual Rear Wheel. Air Compressor Suspension Springs Controller Kit for Universal Vans Pickups. Rear Air Helper 5000 Spring Bag Leveling Kit Fit GMC Sierra Silverado 2500 3500. MaXpeedingrods Air Spring Kit Rear For GMC Sierra 1500 1500 4WD/RWD 2019 – 2022. Established in 2006, maXpeedingrods has been engaged in the research of over world racing products and culture. It has strong capability of independent research & development, industry-leading capacity of quality control and perfect logistics and after-sales service system. MaXpeedingrods always follow the development concept that “Success derives from devotion and happiness comes from sharing” to make contributes to domestic and overseas car tuning enthusiasts and the global racing culture by excellent products and service. MaXpeedingrods has a longstanding commitment to the research of ECU, engine, gearbox and vehicle performance electronic calibration. We established cooperations with EMtron, Motec, LINK, Cartek, HiM, etc. MaXpeedingrods owns its warehouses and branch offices in Hongkong, United States, Australia, United Kingdom and Germany.