Product Jet SkiPiston Back 290-887-300 Piston-STD For Seadoo 787 Item Number: 290-887-300 Description: Piston-STD You May Also Be Interested In 3008-569 Piston-0.5 For Tiger Shark 770 290-887-300 Piston-0.25 For Seadoo 787 16777-63 Cylinder Base Gasket For Harley-Davidson RCO034 (Middle) Shock Adapter For Yamaha JOG