Officially launched in 1999 in Japan, Koyorad Racing radiators soon made a presence in Japan’s ever popular racing scene. Koyorad Racing radiators soon became synonymous with Koyo’s High quality aftermarket radiators. As Koyorad Racing Radiators grew in reputation for quality and performance, so did the company’s desire to expand. In 2004, Koyorad Racing Radiators made it’s US debut. What started
as a few racing applications for Japanese vehicles in 2004 has now in 2009 grown to over 60 models for Japanese, US Domestic, and Korean vehicles.