Product Jet SkiPiston Back 290-886-270 Piston-0.25 For Seadoo 580/587 Item Number: 290-886-270 Description: Piston-0.25 You May Also Be Interested In 290-887-060 Piston-0.25 For Seadoo 657 290-887-670 Piston-0.25 For Seadoo 720 33279L Engine Gasket Kit For TECUMSEH C3222 Top End Gasket Kit For KTM