Description: Condition: 100% new Import product Description: Condition: 100% new Piston diameter: 57.4 mm. Piston length: 38.7mm Good replacement for the old one For GY6 150cc engine Chinese ATV, kart, scooter, mopedPackage includes: 1 set piston rings57.4mm piston ring set57.4mm piston ring kitPiston ring set motorcycleImport product No invoice available Condition: 100% new Piston diameter: 57.4 mm. Piston length: 38.7mm Good replacement for the old one For GY6 150cc engine Chinese ATV, kart, scooter, mopedPackage includes: 1 set piston rings57.4mm piston ring set57.4mm piston ring kitPiston ring set motorcycleImport product No invoice available