This high-quality fuel delivery rail is specifically designed for MerCruiser 5.0, 5.7, and 6.2 inboard engines. It is manufactured in the United States and comes with a manufacturer part number of 885173, 885174, and 865257000. The rail is a vital component for the intake and fuel system of your boat and is responsible for delivering fuel to the engine. It is important to note that this product does not come with a warranty. However, it is still a reliable and durable option for your boat's fuel system. This fuel delivery rail is a must-have for any MerCruiser inboard engine owner looking to upgrade their boat's performance.