Koyo is the leader in All-Aluminum Racing Radiators. Their reputation as a manufacturer of the highest quality products and their meticulous attention to every detail is unparalleled in the racing world. Koyo Radiators and Koyo Racing Radiators are among the best available on the market today. While they are more expensive than most other brands of radiators, the performance they deliver and their extremely high reliability under the most extreme racing conditions are unmatched.
- Koyo radiators are fully polished to a mirror finish
- They provide 20% to 30% more cooling than standard radiators
- They are built to handle high revving, high performance motors for extended periods of time
- Koyo Radiators are perfect for Turbo Charged, SuperCharged & Nitrous Oxide equipped engines
- Made from aircraft quality aluminum and Heli-arc welded, cores are NOCOLOK-brazed
- Koyo Radiator is on the cutting edge of technology and design with Japan's largest automobile manufacturers
Custom Built - OEM Fit!
All Koyo radiator cores and tanks are specifically designed and built for each application. No universal fit parts are used. This ensures proper fit, just like your original equipment! Koyo builds radiators to fit today's most popular import performance cars.
Koyo R and V Core Series
R-Series (2 1/16" Thick) and V-Series (1 7/16 Thick) cores provide a greater coverage for various types of engine tuning.
Nocolok Brazing
Tubes, fins, headers and brackets are brazed in a state-of-the-art Nocolok Furnace, bonding all components into an indestructible radiator.
OE Specification Mounting
Fan mounts are situated to OE Specification, allowing both stock and performance fans to be used.
Hand-crafter Heliarc Soldering
Heliarc Soldering is the highest in industry standard for enforcement along aluminum connections.
Tube and Fin Alignment
Construction under strict quality control and solid boxing result in a pristine tube and fin alignment, fresh from the factory.
Koyorad Mirror Finish
All aluminum surfaces are buffed before boxing to ensure a confident mirror finish.
Koyo N-Flo Partitions
Strategically placed partitions make for an "N" or a "U" shaped coolant flow through the radiator.
Double Pass / N-FLO Construction
Strategically placed partitions make for an "N" or "U" shaped flow throught the radiator. These partitions increase the length of time it takes for the coolant to travel through the entire radiator, maximizing heat transfer to the tubes and fins. This allows for improved cooling efficiency compared to normal all-aluminum racing models.
Visit our About Radiators page to learn how a radiator works!
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