For 2005-2008 Carrera 997.1 3.8L engine piston and piston ring set compatible with model number 99710303030.Designed for fitment and performance, this component is engineered to meet specifications.The piston and ring assembly supports efficient combustion sealing and consistent engine under normal driving conditions.Suitable for use in maintenance or restoration projects involving the specified vehicle models. Compatibility Disclaimer: This is an part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.