Description: Complete Standard Sized Replacement Cylinder Kit Includes Moly Coated Performance Piston Kit, Gasket Kit and More Direct Replacement Parts for Hassle-Free Installation Engineered and Tested to Exceed Stock Equipment Standards and Performance Fitment: for GY6 50 60 80 139QMB 139QMA Scooter Moped ATV Package Includes: 1 Set Cylinder Piston Gasket Kit