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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...

Shop Koyo Hyper Radiator Cap for your Scion FR-S and Subaru BRZ.

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...

Shop Koyo Hyper V Series Radiator for your Dodge Stealth, Honda Civic, Honda S2000, Hyundai Genesis, Mazda Miata, Mitsubishi 3000GT, Mitsubishi Eclipse, Nissan 350Z, Scion FR-S, Subaru BRZ, Subaru Forester, Subaru Impreza, Subaru Legacy, Subaru Outback and Toyota Corolla.

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...

Shop Koyo R Series Radiator for your Datsun 240Z, Toyota Celica and Toyota Supra.

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...

Shop Koyo S Series Radiator for your Nissan 180SX and Nissan Silvia.

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...

Shop Koyo V Series Radiator for your Acura Integra, Acura NSX, Acura RSX, Dodge SRT-4, Honda Accord, Honda Civic, Honda Prelude, Hyundai Tiburon, Infiniti G35, Lexus IS300, Mazda RX-8, Mitsubishi Eclipse, Mitsubishi Lancer, Nissan 350Z, Nissan Sentra and Scion tC.