We know our products. Always the correct part. Towing Air Suspension Kit For Chevrolet Silverado GMC Sierra 1500 4WD/RWD 07-18. For Chevrolet Silverado GMC Sierra 1500 Air Suspension. Please double confirm the part number of your suspension to ensure you will get the right item!! For Chevrolet Silverado 1500 LD Old Body 2019. For GMC Sierra 1500 Limited 2019. Only fit for 68″ and 78″ Bed lengths. Not Fit For Vehicles Equipped With Magne Ride. Minimum PSI: 5 PSI. Internal Jounce Bumper included: No. Placement on Vehicle: Rear left and right. Package Length, width and height: 440370210mm. Package Wight: 11.1kg. Load capacity:Up to 5000 LBS. Design height: 180 mm. Package includes(as the picture shows). 2x Heavy Duty Double Bellow Air Ride Suspension bags. 4x Upper and lower mounting brackets. Includes All Brackets & Hardware Needed to Install. Stress Test Over 5,000,000 Times:Durable and Safe. Burst Pressure? 2.0MPa:High Compressive Strength and Less Noise. 24 Hours Air Tightness Test? 0.02MPa:100% Air Tightness Guarantee. Temperature Range? -40? /? 70? :Premium Natural Rubber Material. Use high-quality steel with high load-bearing capacity and long life. Excellent and practical bolt-on installation. Safe carrying capacity and stability. Restore the original ride height and improve ride quality. Ensure our driving comfort and reduce tire wear. Instruction is not included. Professional installation is recommended. Will this fit my car? Please make sure you have read through the whole listing and paid attention to “note” and “notice”. When will my order be dispatched? Can I amend my order? What do I do if I have not received my order? What do I do if my product is faulty? It will speed up the process if you could provide us some pictures or video to illustrate the issue details. OTHER ITEMS YOU MIGHT ALSO LIKE.