Product PWC / Jet SkiPiston kit Back 290-887-300 Piston-0.5 For Seadoo 787 Item Number: 290-887-300 Description: Piston-0.5 You May Also Be Interested In 290-886-270 Piston-0.5 For Seadoo 580/587 13001-3731 Piston-0.25 For Kawasaki Ultra 900 09-710196 Top End Gasket For Ski Doo 93606-12019-00 Pin, Dowel For Yamaha