Product Jet SkiPiston Back 13001-3731 Piston-1.0 For Kawasaki Ultra 900 Item Number: 13001-3731 Description: Piston-1.0 You May Also Be Interested In 290-886-270 Piston-0.5 For Seadoo 580/587 290-887-570 Piston-1.0 For Seadoo 951 990A146TP/A Top End Gasket Kit For Yamaha 1G032-99350 Gasket Kit For Kubota