About product and suppliers:
            646 marine engines intake valve products are offered for sale by suppliers on Alibaba.com, of which intake and exhaust valves & valve lifter accounts for 60%, other auto engine parts accounts for 2%, and valves accounts for 1%. 

A wide variety of marine engines intake valve options are available to you, 

There are 646 suppliers who sells marine engines intake valve on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and Taiwan, China, from which the percentage of marine engines intake valve supply is 1%, 90%, and 7% respectively.