Product Questions call 1 800 842 8789. Package Includes: Two 200PSI VoltAirMax DC480 Compressors Two – 1/4″ Steel Braided Leader Hoses Two – 1/4″NPT Check Valves Four – 2500 1/2NPT Port Air Bags Two – Upper and Lower Front Bag Mounts. Two – Upper and Lower Rear Bag Mounts. One Four Link Kit. One 5 Gallon 8 Port Air Tank. Eight 1/2NPT Fast Valves. 29 years at the same location. If we do not have it, we can build it. Any returning or exchanging item must be in new condition and cannot be tempered.