Save 5% on Koyo Products

Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf...

The Hyper V-Core Series is the newest to the Koyorad All Aluminum Racing Radiator line up. An engine’s cooling system in many newer vehicles are suffering due to limited space and crowding which...

Built with a robust 53mm core, the R-Core Series is engineered for the serious performance tuner. Increased capacity means better cooling reserve when you need it. Intended for both circuit and daily...

S Series radiators incorporate the same technology as Koyo's OE aftermarket replacement product line; Moulded plastic tanks but with a copper core in place of aluminum.  Due to the excellent heat...

Designed for applications where engine configuration/size cause clearances issues for thicker core radiators. In this case, the 36mm V-Core Series will suit your needs. Intended for both circuit and daily...