Product JET SKIPiston Back 290-887-670 Piston-0.25 SEA-DOO 720 Brand: OSAKA MARINE Description: SEA-DOO 720_Piston-0.25_290-887-670 Bore 0.82 You May Also Be Interested In Piston-STD POLARIS 650 Piston-0.75 YAMAHA 4-STROKE 760 Liner YAMAHA Throttle Cable 05-139-82