Upgrade your Nissan Skyline R32 GTR or GTST with the unmatched performance of the Koyorad 48mm “HH” Series High-Fin Density Aluminum Radiator, available now at Terra Firma Automotive. This premium radiator is a direct-fit replacement for the factory unit and is engineered to deliver maximum heat dissipation under the most demanding conditions. Whether you're pushing your Skyline on the street or the track, Koyorad’s 48mm core and ultra-dense fin layout provide exceptional cooling efficiency to maintain consistent engine temperatures and prevent overheating.
Koyorad’s reputation for quality is built on precision craftsmanship. Each HH Series radiator is hand-assembled using the finest aluminum, Nocolok brazed, and expertly TIG welded to ensure superior strength and long-term reliability. With proven performance around the globe, this radiator is trusted by professional tuners and enthusiasts who demand the best for their RB-powered Skylines.
To support advanced monitoring setups, Koyorad has integrated a 1/8” NPT accessory port, ideal for aftermarket temperature sensors. This attention to detail makes it the ideal choice for serious builds where temperature management is critical. At Terra Firma Automotive, we only offer high-performance parts with a legacy of dependability—and Koyorad’s HH Series stands at the top of that list.
Don’t leave your R32’s cooling system to chance. Choose the radiator that delivers superior performance, reliability, and fitment. Trust Terra Firma and Koyorad to keep your Skyline running cool, no matter how hard you drive.
- Radiator cap sold separately. Click Here to see our line of caps!
Questions & Answers
Ask a Question-
Does it include the radiator cap
Hi, the Koyo rads do not come with a cap as part of the package. You can use your factory unit, or choose for many brands we offer. We carry caps such as HKS, Greddy, Radium, Nismo, OEM and of the Koyo style on the link below. Thanks! -
Does this fit with stock fan shroud and fan without modification?
Hi, yes this will work with the OEM R32 fan shroud. Thanks!
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Can you tell me the weight of this radiator? For R32 GT-R
It's about 14 pounds. Thanks for your inquiry!
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Does the oem sensor fit this?
Hi, the OEM sensor does have the correct provision in lower the right side. Here is a link to the sensor below. Thanks!
NISSAN SKYLINE R32 R33 WATER TEMP FAN SWITCH RB26/25/20