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Koyo Aluminum Half Radiator 03-07 Evolution

  • $ 26299
  • Save $ 97

Koyorad's new 48mm “HH” Series radiator core features an ultra high fin density to maximize heat transfer.  Koyo designs and manufactures each radiator with precision; therefore each one is a direct-fit performance replacement for the stock OE plastic/aluminum radiator for a quick and simple installation with no modifications.  Koyo has also integrated a 1/8” NPT female accessory fitting (supplied with a threaded plug) to accept temperature sensors typically included with aftermarket temperature gauges.

Koyorad quality is a direct result of their privately owned factories which allow Koyorad Japan to oversee each stage of radiator production.   This ensures that quality is never sacrificed for quantity.  Each Koyo all aluminum radiator core is hand assembled, Nocolok brazed, then TIG welded by hand with the finest aluminum available.  These are just a few characteristics that have earned Koyorad Radiators their excellent reputation in performance radiators worldwide.

*Features*
* Koyorad “HH” Series 48mm Hyper Core
* OE Specific mounting and direct fit
* Nocolok-R Brazing
* Precise Tube and Fin alignment
* Billet aluminum filler neck
* 1/8” NPT female accessory fitting

Please note:

Part# HH032412 is a RACE ONLY item due to its size and volume being roughly 1/2 the size in comparison to the vehicle's stock radiator. Once installed, we suggest owners operate the vehicle under short duration only. Once installed, the passenger side of the Koyo radiator only extends to the vehicles centerline, therefore requires some creative installation by relocating the upper and lower brackets from the passenger's side to secure it in the engine bay.  Also, this design required us to relocate the top inlet pipe over to the driver's side to decrease the coolants traveling distance from the engine.  This requires that owners purchase a 2 pc.coolant hose kit for the Mitsubishi Evolution 4, 5 or 6 (easily available and already a popular upgrade).

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