25191377 piston and piston ring auto engine piston set assembly for 1.6 engine applications.This piston set includes a -machined piston and matching piston ring designed to meet specifications.The components are engineered for proper fit and function within the cylinder bore, compression and efficient engine performance.Intended for use in compatible engine rebuilds or replacements, this assembly supports smooth and durability under standard operating conditions. This component is not from the brand.References to models are used only to indicate fitment.