Engine Generator Accessories Piston Ring Kit compatible with GX100 GX120 GX110 160F models. This kit includes piston rings designed for use with specified engine types and serves as a replacement part for maintenance or repair. Suitable for use with hand tools and power tool accessories that utilize these engine variants. The set supports standard piston ring installation and functions as a mechanical component in small engine applications. ote: This is a third-party compatible part. Brand/model citations do not imply sponsorship or approval.