The Genuine Porsche Engine Valve Spring Retainer Upper (911) - 99710512190 is a high-quality component designed specifically for Porsche 911 models. It is responsible for holding the valve springs in place, ensuring proper valve operation and engine performance. This retainer is made from durable materials to withstand the high temperatures and pressures found within the engine. It is an authentic Porsche part, ensuring a perfect fit and reliable performance. This product does not contain any newline characters and can be used as input in other API calls seamlessly.