1.engine cylinder sleeve/engine cylinder liner 2.High Density,Zero Defects,Easy Cutting 3.OD: ... .Meantime, we also supply related products in blank, such as cylinder liner,piston ring,ADI bushing,sealing ring,suction pipe etc ... our products will be 5 times than sand casting,and no pore,sonim... Adapt to strict requirments in precise manufacturing. engine cylinder sleeve