Product Jet SkiPiston Back 290-887-060 Piston-0.5 For Seadoo 657 Item Number: 290-887-060 Description: Piston-0.5 You May Also Be Interested In 12110-91B61 Piston-0.25 For Tiger Shark 1000 3008-569 Piston-0.5 For Tiger Shark 770 VG-755 Top Set Gasket Kit For Suzuki 09-710215 Top End Gasket For Ski-Doo