This product is a genuine Porsche timing chain with the part number 99610517157. It is designed for use in Porsche vehicles and is made of high-quality materials to ensure reliable and efficient performance. The timing chain is an essential component in the engine, responsible for keeping the engine's valves and pistons in sync. This genuine Porsche timing chain is a direct replacement for the original part and is recommended for proper maintenance and repair of Porsche vehicles.