Product PWC / Jet SkiPiston kit 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 290-887-670-02 Piston Kit 0.50 For Seadoo 720 13001-3714-02 Piston Kit 0.50 For Kawasaki 0934-0426 Top End Gasket Kit For Kawasaki VG-689 Top End Gasket Kit For Yamaha