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 346-64102-5 Propeller For Tohatsu 420950771 / 290950770 / 420950770 Cylinder Head Gasket For Sea Doo