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 13001-3731 Piston-1.0 For Kawasaki Ultra 900 13001-3722-03 Piston-0.75 For Kawasaki 750 09-710110A Top End Gasket Set For Polaris VG-368 Full Set Gasket Kit For Suzuki