The product is an OEM Nissan Altima 2.5 2013-2018 cam gear specifically designed for the intake and exhaust of the engine. Suitable for vehicles with engine code QR25DE. This cam gear is designed for DOHC (Dual Overhead Cam) valvetrain iteration and does not come with mounting hardware included. Perfect for maintaining the optimal timing and efficiency of the Nissan Altima 2.5 engine. What you see in the pictures is what you get. Any questions feel free to ask.