Product Jet SkiPiston Back 290-887-060 Piston-0.25 For Seadoo 657 Item Number: 290-887-060 Description: Piston-0.25 You May Also Be Interested In 290-887-300 Piston-1.0 For Seadoo 787 13001-3731 Piston-0.25 For Kawasaki Ultra 900 23-99291T Bushing For Mercury 900 Connecting Rod Kit For Tiger Shark