The Genuine Porsche Engine Valve Spring Retainer is a high-quality component designed specifically for the Porsche 996 engine. It is used to secure the valve spring in place and ensure proper functioning of the engine's valves. This retainer is made from durable materials and is an exact replacement for the original part. It is a genuine Porsche product, ensuring the highest level of quality and compatibility with your vehicle. With its precise design and construction, this valve spring retainer is essential for maintaining the performance and longevity of your Porsche engine.