Product Jet SkiPiston Back 13001-3731 Piston-STD For Kawasaki Ultra 900 Item Number: 13001-3731 Description: Piston-STD You May Also Be Interested In 290-887-300 Piston-0.25 For Seadoo 787 12110-91B03 Piston-0.75 For Tiger Shark 900 25416-84 Derby Cover O-ring For Harley Davidson 0934-1267 Top End Gasket Kit For KTM