D1 Japan Street Legal Series
Koyorad Japan Support Drivers and Series Results. Follow the link for more information of your favorite drivers!
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Classic Corolla radiator available!
Koyorad is pleased to introduce a high quality direct replacement all-aluminum performance radiator for the 1971-1974 Toyota Corolla TE27/TE21/TE28 chassis. This features Koyorad's “VH Series” 36mm radiator core which was developed to increase coolant volume, promote proper air flow and coolant circulation. In typical fashion Koyorad has engineered this radiator with precision to directly replace the stock OEM radiator for a quick and simple installation. Koyorad has also integrate

Nissan Skyline “Hakosuka” Part# HH023610
Koyorad is proud to introduce an all-aluminum performance radiator for the 1968-1972 Nissan Skyline “Hakosuka” KGC10 w/ L20 engine. This all new application is hand welded and fully braised with over 40% increase in core thickness over the OEM radiator. The high density Koyorad Hyper core boosts the cooling system’s