Engine Piston Ring Set for Aveo 1.6L Astra compatible with OEM numbers 55568928 and 93190369.This piston ring set is designed for automotive engine repair and replacement applications.The set includes standard size rings intended for use during engine rebuilding or maintenance procedures.engineered to fit specified engine models, the rings support proper compression and oil control within the cylinder bore.Suitable for use in select vehicles requiring these specifications. This product is a third-party replacement.Any use of brand names or model designations is purely to indicate compatibility.