Product Jet SkiPiston Back 290-887-300 Piston-1.0 For Seadoo 787 Item Number: 290-887-300 Description: Piston-1.0 You May Also Be Interested In 13001-3722-04 Piston-1.0 For Kawasaki 750 290-886-270 Piston-0.25 For Seadoo 580/587 663-45376-00-00 Rubber Seal Guide For Yamaha 808441 Complete Gasket Kit For Kawasaki