Product JET SKIPiston Back 290-886-270 Piston-0.25 SEA-DOO 580/587 Brand: OSAKA MARINE Description: SEA-DOO 580/587_Piston-0.25_290-886-270 Bore 0.76 You May Also Be Interested In Piston-1.0 Bore-1 SEA-DOO 4-TEC-NA 12110-98E51 Piston-0.5 TIGER SHARK 640 3852060 Screw, Brace To Pump For OMC 5BN-81960-00-00 Voltage Regulator YAMAHA