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.The specific introduction of the product is as follows: Material AC8A Cylinder bore(mm) 116.5 High compression(mm) 69.92 Pin hole diameter(mm) 48.03 Width of circlip groove(mm) 2 Special process Insert ring, internal cooling oil duct, copper sleeve Main Product-Ring Main Product-Piston Main Product-Liner ABOUT US