Product PWC / Jet SkiPiston Back 12110-98E51 Piston-1.0For Tiger Shark 640 Item Number: 12110-98E51 Description: Piston-1.0 You May Also Be Interested In 290-887-060 Piston-1.0 For Seadoo 657 3008-569 Piston-0.75 For Tiger Shark 770 60V-13621-A0-00 Valve Seat Gasket For Yamaha 93306-20401 Bearing For Yamaha