Tanaka Seimitsu Kogyo Co., Ltd. manufactures and sells automobile and motorcycle parts, and general-purpose parts in Japan and internationally. The company offers rocker arm assemblies, synchronizer rings and springs, piston pins, crank pins, ball races, outboard retainers, valve spring retainers, nuts, valve spring seats, valve seats, stators, clutch cam plate, valve lifters and piston pins. The company was founded in 1948 and is headquartered in Toyama, Japan.
