Product Jet SkiPiston Back 12110-98E51 Piston-0.5 For Tiger Shark 640 Item Number: 12110-98E51 Description: Piston-0.5 You May Also Be Interested In 13001-3722-02 Piston-0.5 For Kawasaki 750 13001-3722-04 Piston-1.0 For Kawasaki 750 0383307 Thermostat Kit For Omc 2007-PRIMARY Primary Gasket Kit For Harley Davidson