About product and suppliers:
            213 piston ring 50mm products are offered for sale by suppliers on Alibaba.com, of which motorcycle crank mechanism accounts for 44%, piston & parts accounts for 14%, and machinery engine parts accounts for 9%. 

A wide variety of piston ring 50mm options are available to you, 

There are 213 suppliers who sells piston ring 50mm on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, from which the percentage of piston ring 50mm supply is 92%, 7% respectively.