Koyorad, a leading Japanese manufacturer of high-performance aluminum radiators, has been synonymous with quality and reliability since its founding in 1959. With precision hand-welded construction and superior materials, Koyorad products are trusted by enthusiasts and professionals worldwide. The company operates multiple facilities in Japan and has expanded globally, with branches in the U.S. and Singapore to serve diverse markets. Their product lineup includes racing radiators, oil coolers, and radiator caps, all engineered to meet rigorous performance demands. Committed to innovation and excellence, Koyorad continues to set industry standards in automotive cooling solutions.