These are new, open box engine push rods manufactured by COMP Cams. It is a high-quality valvetrain component that is suitable for use in various engines and car models. The manufacturer part number is 7971-16, and it comes with a California Prop 65 warning for cancer and reproductive harm as required by law. This item is perfect for those looking to upgrade their engine's performance and reliability. Get your hands on this top-of-the-line engine push rod today!