Product Jet SkiPiston Back 290-887-060 Piston-0.5 For Seadoo 657 Item Number: 290-887-060 Description: Piston-0.5 You May Also Be Interested In 290-887-670 Piston-0.25 For Seadoo 720 290-887-670 Piston Kit STD For Sea Doo VG-5200-M Top End Gasket Kit For Honda 09-711196 Full Set Gasket W/Oil Seals For Ski-Doo