AirLift Performance 3P Plug and Play Air Ride Kit with Pressure Presets. All The Wiring, Hose & Fittings Needed Are Included. 1999 – 2006 Chevrolet Silverado 1500. 1999 – 2006 GMC Sierra 1500. Air Lift 3P with 3/8 Air Lines (27685). Airmaxxx Black 580 Dual Air Compressors. Airmaxxx 2nd Compressor Wire Harness. Airmaxxx Compressor Isolator Mounting Kit. Airmaxxx Seamless Spun Black Aluminum 5 Gallon 7 Port Air Tank. Airmaxxx 2600 Air Bags. Front & Rear Air Bag Mounting Brackets. Fully Integrated Manifold (Its all built in). 5 Custom Preset Pressures. Built in Bluetooth w/Free Mobile App. Easy Plug and Play Install. To See More NBS Kits.