Hefei Sunber Autoparts Co., Ltd is a professional export company of auto parts which including piston rings,pistons,liners etc. We have our own plants for piston rings, piston,liners etc. Piston Ring Fiat UNO 1400 Engine contains 3 pieces of piston rings which includs TOP ring,2nd ring and the oil ring.The diameter of it is 80.50 mm.The oversize of it is updated accordingly.The material of it is Ductile Cast Iron.