Product Jet SkiPiston Back 290-887-670 Piston-0.5 For Seadoo 720 Item Number: 290-887-670 Description: Piston-0.5 You May Also Be Interested In 3008-569 Piston-0.25 For Tiger Shark 770 290-887-060 Piston-1.0 For Seadoo 657 P400270600016 Top End Gasket Kit For KTM 74510-75A Regulator/Rectifier For Harley Davidson