Product PWC / Jet Ski Back 290-886-270 Piston-STD For Seadoo 580/587 Item Number: 290-886-270 Description: Piston-STD You May Also Be Interested In 1200 Liner For Yamaha 13024-5026 Piston Ring For Kawasaki P400210600248 Top End Gasket Kit For Honda 436358 Powerhead Gasket Kit For Evinrude/ Johnson/ Omc