Product Questions call 1 800 842 8789. Package Includes: One 150PSI VoltAirMax Compressors Two – 3/8″ Steel Braided Leader Hoses Two – 3/8″NPT Check Valves. Four – 2600 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 Steel 5 Port Air Tank. One 3/8NPT Air Engine 8 Valve Manifold. 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.