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Koyo Racing specialises in high performance radiator and cooling products for street and race vehicles.
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Koyo is the brand of Koyorad, a heat exchanger maker headquartered in Nagoya, Aichi Prefecture. Koyorad began in July 1956 as Ejiri Radiator Works, and today designs and makes radiators, condensers, intercoolers and oil coolers for passenger cars, special vehicles and construction machinery.
The Koyo range also includes racing and sports radiators for cars and motorcycles.