1.8L Engine Piston Ring Set for Aveo 1.8 and Astra compatible vehicles.This piston ring set is designed to fit engine models requiring specifications 55568927 and 93736430 with standard (STD) sizing.The set includes all necessary piston rings for complete engine reconditioning or repair.-engineered for proper cylinder sealing, it supports compression and oil control in automotive engines.Suitable for use as a replacement part during engine overhaul or maintenance procedures. This item is a third-party substitute.Use of brand names is limited to indicating which devices it supports.