Product Jet SkiPiston Back 12110-98E51 Piston-0.25 For Tiger Shark 640 Item Number: 12110-98E51 Description: Piston-0.25 You May Also Be Interested In 13001-3719-01 Piston-0.25 For Kawasaki 750BP 12110-91B61 Piston-0.75 For Tiger Shark 1000 810342 Top End Gasket Kit For KTM 810675 Top End Gasket Kit For Yamaha