6pcs 9A710706530 06M198151 06M107099 06M107100 EA839 Engine Pistons Rings Set for A6 S4 S5 B9 3.0L This engine pistons and rings set is designed for 3.0L engines used in A6, S4, S5, and B9 models.The set includes six pistons and matching 20mm piston rings constructed from materials to support engine.The components are engineered to provide a secure seal, helping improve combustion efficiency and reduce friction during use. The design supports engines tuned for power outputs around 250kw (340ps) and 260kw (354ps), making it suitable for -oriented applications.Each set is built to meet specifications for compatibility with EA839 platform engines. Installation is supported by included instructions, allowing for straightforward integration into engine rebuilds or.The fitment is tailored for specific vehicle models, proper alignment and function within designated engine systems. Important: This is a non-OEM part.Any brand or model cited is used to denote device compatibility.