Member PWC / Jet SkiPiston kit Back 12110-98E51 Piston-0.5 For Tiger Shark 640 Item Number: 12110-98E51 Description: Piston-0.5 You May Also Be Interested In 290-887-570-02 Piston Kit 0.5 For Seadoo 951 13001-3714-04 Piston Kit 1.00 For Kawasaki P400270600081 Top End Gasket Kit For KTM 810276 Top End Gasket Kit For Honda