2 Pieces 64mm piston ring set compatible with GCV160 and GC160 engines.Designed for use in small displacement four-stroke engines commonly found in lawn mowers, generators, and other outdoor power.The kit includes two piston rings sized to fit a 64mm bore, intended for replacement during engine maintenance or repair.Made from materials to proper cylinder sealing and consistent engine performance. This is a compatible aftermarket part.References to brands or models do not imply OEM association.