Car Parts Peugeot Piston Ring 405 83mmx1.5+1.5+3 1)size:83x1.5+1.5+3mm 2)material: first ring steel, second ring cast iron, oil ring coil spring loaded. Others: 3)material available: nodular iron, cast iron, steel, alloy, and etc( we can do as customer s request) 4)surface treatment: polishing, ...