Product Jet SkiPiston Back 290-887-670 Piston-1.0 For Seadoo 720 Item Number: 290-887-670 Description: Piston-1.0 You May Also Be Interested In 12110-98E51 Piston-0.5 For Tiger Shark 640 290-887-570 Piston-0.75 For Seadoo 951 09-711185A Full Set Gasket W/Oil Seals For Polaris 09-741-03 Piston Kit For Ski-Doo