Direct replacement? : Over time, the airbag springs are subjected to hard wear from the weight of the car, which then causes chronic air leakage, unstable air pressure, increased temperature in the air tank, and eventually loss of pneumatic adjustment accuracy. It meets or exceeds the OEM standard and has been tested in the factory. It is fully matched with the original car and can be installed directly. High quality? : Made of enhanced quality material with anti-rust coating on the surface, corrosion resistant, not easy to rust and long service life. With a strong compression rate and tank capacity, it can maintain a continuous pressure output to provide a stable suspension system for your vehicle, thus changing the height of the vehicle and improving driving comfort and performance, providing you with long-term stable and excellent performance. 580 Dual Air Compressors & 5 Gallon Air Tank. 2 – 580 Air Compressors. 2 – 22″ Long Stainless Steel Braided 3/8″ Leader Hose. 2 – 3/8NPT Check Valve. 5 Gallon 9 Port Steel Air Tank. Pressure Switch 150 psi on / 180 psi Off. 2 – 40 Amp Premium Relay. Note: All accessories as shown in the picture!!!!! Please identify all the objects in the picture!!!!!! With our best products and best service, we believe it will be a pleasant shopping experience. We advocate customer first, so we care about our valued customers and hope to establish a long-term business relationship with you, so please help us to do better. Each item has been factory tested and meets or exceeds OEM specifications. We attach great importance to quality and service. We value your feedback, so we will strive to answer all inquiries within 24 hours.