Product PWC / Jet SkiPiston kit Back 290-886-270 Piston-0.5 For Seadoo 580/587 Item Number: 290-886-270 Description: Piston-0.5 You May Also Be Interested In 12110-91B03 Piston-0.25 For Tiger Shark 900 13001-3722 Piston-STD For Kawasaki 750 90TLR Power Trim& Tilt Assy 2 For Yamaha 17461-87E12-000 Impeller For Suzuki