Koyo HH030939 HH Series All Aluminum Racing Radiator - 48mm

The Koyo HH030939 is a high-performance all-aluminum racing radiator featuring the advanced 48mm "HH" Series Hyper Core design with ultra-high fin density for maximum heat transfer efficiency. Engineered as a direct-fit replacement for OE plastic and aluminum radiators, this unit installs quickly with no modifications required. Note that this radiator requires Evo VII/VIII/IX fans for proper operation.

Premium Construction and Quality:

Each Koyorad radiator is precision-manufactured in Koyorad Japan's privately owned factories, ensuring complete quality control throughout every production stage. The all-aluminum core is meticulously hand-assembled and Nocolok-R brazed, then TIG welded by hand using premium aluminum materials. This meticulous craftsmanship has earned Koyorad an excellent reputation for performance radiators worldwide.

Key Features:

• 48mm Koyorad "HH" Series Hyper Core with ultra-high fin density
• OE-specific mounting points for direct-fit installation
• Hand-assembled construction with Nocolok-R brazing
• Precision TIG welding for superior durability
• Precise tube and fin alignment for optimal airflow
• Billet aluminum filler neck for added strength
• 1/8" NPT female accessory fitting with threaded plug for aftermarket temperature sensors
• All-aluminum construction for improved cooling and weight reduction

This racing radiator is ideal for high-performance and motorsport applications where superior cooling capacity and reliability are essential.