This is a brand new engine intake manifold gasket set from ACDelco, with OEM GM part number 55579126. It is specifically designed for car and truck air and fuel delivery systems, ensuring that your vehicle runs smoothly and efficiently. The gasket set includes all necessary components for easy installation. Whether you're a professional mechanic or a DIY enthusiast, this high-quality product is perfect for your needs. Add it to your cart now and give your vehicle the upgrade it deserves!