Product Jet SkiPiston Back 13001-3731 Piston-0.5 For Kawasaki Ultra 900 Item Number: 13001-3731 Description: Piston-0.5 You May Also Be Interested In 12110-91B03 Piston-1.0 For Tiger Shark 900 13001-3722-03 Piston-0.75 For Kawasaki 750 676-44361-10-00 Water Tube For Yamaha R09-671 Piston Ring For J.L.O