Product PWC / Jet SkiPiston Back 12110-91B61 Piston-0.5 For Tiger Shark 1000 Item Number: 12110-91B61 Description: Piston-0.5 You May Also Be Interested In 12110-98E51 Piston-0.25 For Tiger Shark 640 290-887-060 Piston-0.25 For Seadoo 657 P400220600510/2 Top End Gasket Kit For Husqvarna 061A1-889-405 Complete Gasket Kit For Honda