1? Test more than 3,000,000 times: Durable and Safe. 2? 24 hours air tightness test? 0.02MPa: Air Tightness Guarantee. 3? Temperature Range? -40? /? 70? : Premium Natural Rubber Material. 6? Easy installation, no drilling required. Placement on Vehicle: Rear left and right. Package Length, width and height: 362924cm. Package Wight: 12.2Kg. 2x Air Ride Suspension bags. 6x Upper and lower mounting brackets. We Recommend Professional Installation. Other items you might also like. Universal Air Compressor Suspension Spring Controller Kit for Vans Pickups.