Piston ring set with a 64mm diameter designed to fit GC160 and GCV160 4 stroke engines.Compatible with cylinder kits for 195 and 215 series engines commonly used in 5.0HP lawn mowers.This ring set includes all necessary components for proper piston sealing and engine performance.Suitable for use in small engine repair and rebuild applications where precise ring dimensions and material durability are required. Important Notice: This aftermarket part is unaffiliated with brands.Model mentions indicate fitment only.