DOKURO

Japanese Engine Valve Expertise Built on Decades of Specialized Manufacturing.

DOKURO is a Japanese brand dedicated to engine valve manufacturing, with roots dating back to 1949. Produced by Japan Engine Valve Mfg. Co., Ltd. in Osaka, the brand has built its reputation around a highly focused area of engine technology, supplying replacement valves for a wide variety of Japanese vehicles and engine applications.

Unlike broader engine-component suppliers, DOKURO concentrates specifically on the valves responsible for controlling the intake and exhaust flow within the combustion process. Its manufacturing capability covers both intake and exhaust valves, with options ranging from standard replacement applications to custom-made valves for older, discontinued, specialized, and performance engines.

DOKURO places strong emphasis on Japanese production, using Japanese materials and completing its manufacturing processes in Japan. Its products are supplied internationally, with the brand serving customers in more than 50 countries and supporting workshops, rebuilders, and engine specialists looking for precise valve solutions across both current and legacy applications.

Product Categories:

• Intake Engine Valves

• Exhaust Engine Valves

• Replacement Engine Valves

• Custom Engine Valves

• Valve Guides

• Engine Valve Components