Product PWC / Jet SkiPiston kit Back 12110-98E51 Piston-0.25 For Tiger Shark 640 Item Number: 12110-98E51 Description: Piston-0.25 You May Also Be Interested In 3008-569 Piston-0.75 For Tiger Shark 770 13001-3722-03 Piston-0.75 For Kawasaki 750 VG-1073 Full Set Gasket Kit For Honda CR115 Connecting Rod Kit For Ski-Doo