With over 57 years of radiator design and manufacturing experience, Koyorad Racing Radiators officially launched in 1999 in Japan and soon made a presence in Japan’s ever popular racing scene. Today, Koyorad manufacturers some of the finest aluminum racing radiators, and have garnered a reputation for quality and performance. This can be seen in their product features that include precise tube and fin alignment, Nocolok brazing, billet filler necks, OE specific mountings, and hand crafted welds.