6pcs N52B2 Engine Pistons and Rings Set with Φ82.00mm cylinder bore and 11:1 compression ratio is designed for use in engine rebuilds and performance applications.This set includes six pistons and corresponding rings, engineered to meet precise specifications for compatibility with certain inline-six engines.Each piston features a diameter of Φ82.00mm, wrist pin diameter of Φ20mm, and wrist pin length of 46mm.The ring set consists of three rings per piston with thicknesses of 1.2mm, 1.5mm, and 2.0mm respectively, proper sealing and efficient combustion.Designed for naturally aspirated engines, this piston and ring set supports engine under standard and elevated load conditions.The components are built to maintain dimensional accuracy with minimal clearance, reducing the risk of cylinder wall interference and supporting consistent performance over time.Suitable for use in select models including E60, E90, E92, 323i, 525i, X1, X3, and X4 equipped with N52B25 2.5L engines.Part numbers referenced include 11257612982 and 11257561848.