D1 Japan Street Legal Series

Koyorad will again be offering the all-aluminum radiator for the 11-16 Honda CR-Z part # KS082409. It was discontinued in 2015, but is now back on our product list.

Pictures from the Hachi-Roku event held on August 6th, 2009 (or 8-6 as in AE86) at Suzuka Twin Circuit are up. Our Koyorad Racing Service division was there to cover this event. Jump to the Koyorad Japan websiite for this coverage...

Koyorad | Koyo is proud to introduce a new cross-flow radiator for 2003-2006 Nissan 350Z with 6 Speed Manual Transmissions. Unlike this vehicle’s conventional OEM down-flow radiator, Koyorad’s crossflow design improves heat dissipation by lengthening the coolant path from side to side which more effectively transfers excess heat where engine room is limited. This radiator also features Koyorad's new “VH Series” 36mm ultra high fin density core which promotes proper air flow across the radiator core while also increasing coolant capacity. Koyorad has also integrated a 1/8” NPT female accessory fitting (supplied with a threaded plug) to accept temperature sensors typically included with most aftermarket temperature gauges. Koyorad’s superior quality, precision hand welds, reliability an