Product PWC / 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 12110-91B03 Piston-0.75 For Tiger Shark 900 13001-3720-04 Piston-1.0 For Kawasaki 900 R09-802 Piston Ring For Yamaha 810306 Top End Gasket Kit For KTM