... .Sample order ok piston ring,Toyota piston ring ,TOYOTA B piston ring 1)For TOYOTA 11B piston ring. 2)Good quality,good packing,good ... iron,steel,alloy,and etc(we can do as customer's request)5)surface treatment:polishing,plating,oxidation,phosphating,and etc ... you.11)We sell piston , piston ring and cylinder liner's Diameter from 68 mm to 160 mm Serial noEngine ModelVehicle ...