Product 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 3008-569 Piston-0.5 For Tiger Shark 770 290-887-670-02 Piston Kit 0.50 For Seadoo 720 VG-2058 Complete Gasket Kit For Yamaha 503 26 02-04 Flywheel+Clutch Oil Seal Chainsaw For Husqvarna