6pcs Engine Pistons Rings Set designed for vehicles equipped with 3.0L engines.Constructed from forged aluminum, this set supports improved combustion efficiency through -engineered pistons and rings.Intended for performance driving and racing applications, the components are built to endure -stress operating conditions.Compatible with A6, A7, A8, S4, S5, B9, Q7, and other models featuring 3.0L EA839 engine platforms.Matches OEM part numbers 9A710706530, 9A710706531, 9A710706630, 9A710706631. This is a replacement item from an aftermarket supplier.Brand names are cited solely to demonstrate device compatibility.