The Genuine Porsche Coil Spring Set - 99734353337504 is a set of four coil springs designed specifically for use in Porsche 997 models. These coil springs are made from high-quality materials and are an authentic, genuine Porsche product. They are designed to provide optimal suspension performance and handling for your vehicle. The set includes two front coil springs and two rear coil springs, each with a unique part number of 99734353337504. These coil springs are essential components for maintaining the proper ride height and stability of your Porsche 997.