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 13001-3731 Piston-0.25 For Kawasaki Ultra 900 12110-98E51 Piston-0.5 For Tiger Shark 640 808635 Complete Gasket Kit For Yamaha 09-712265 Top End Set For Polaris