Koyo HH422675 Racing All-Aluminum Radiator 48mm HH Series

The Koyo HH422675 features a 48mm "HH" Series radiator core with ultra high fin density to maximize heat transfer, delivering superior cooling performance for high-performance applications. This all-aluminum racing radiator can double your coolant capacity and provide up to 35% increased performance over stock radiators, making it ideal for both circuit racing and aggressive daily driving.

Key Features:

• Hand-assembled aluminum core that is Nocolok brazed and TIG welded by hand with premium aluminum
• Direct-fit performance replacement requiring no modifications for quick and simple installation
• Integrated 1/8" NPT female accessory fitting with threaded plug for aftermarket temperature sensors
• 48mm core thickness that maintains all OEM fan shroud mounts
• Aircraft quality aluminum construction with heli-arc welded cores
• Precision machined billet filler neck for strength, durability and better sealing

Koyorad quality is ensured through their privately owned factories in Japan, which oversee each stage of radiator production to ensure quality is never sacrificed for quantity. This premium all-aluminum radiator offers exceptional heat dissipation and lightweight construction, making it a top choice for enthusiasts demanding maximum cooling performance.