Features: Upgrades your G1 2 cycle gas model performances with this piston rings set kit, ensuring a perfects fit for models from 1978 1989. Crafted from metal, the kit features excellent sealing capabilities to enhances engine efficiency and prevent oil leaks. For automotive enthusiasts and motorcycle hobbyists interested in maintaining or upgrading their G1 2 cycle gas engines. Perfect for DIYer repairs or professional technicians looking to perform maintenance or restorations in a home garage or repair shop setting. The piston rings set kit comes complete with all necessary component, offering a convenient and straightforward installation process for a seamlessly engine overhaul. Specifications: Component:Metal Size:As Picture Shown For G1 2 Cycle Gas 1978-1989 Part Number:J10-11631-00-96 J10-11610-00-00 Package Includes: 1 Set Piston Gasket note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.