Koyorad Hyper Core Series Aluminum Racing Radiator – 1990-1992 Mazda RX-7


SKU: HH060643 Category: Tags: , , Brand:

1.9″ Hyper Core Series Aluminum Racing Radiator (HH060643) by Koyorad®. Koyorad is proud to introduce a high-performance all-aluminum radiator. This all-new application is hand-welded and fully braised with an over 40% increase in core thickness over the OEM radiator. The high-density Koyorad Hyper 1.89″ core boosts the cooling system’s heat capacity and endurance; a perfect upgrade for spirited street driving or track use.


  • All-aluminum construction
  • Fully brazed 1.89″ thick Hyper Core
  • Two Row construction
  • Nocolok™ Brazing
  • Precision TIG welded
  • High polished finish
  • Direct Fit with OEM fans, A/C Condenser, radiator hoses, and fan switch sensor
  • Billet filler neck
  • Triple Pressure tested

The original radiator mounting provisions are retained along with the ability to use the OEM fan shroud and coolant hoses, requiring no modifications to install. Koyorad’s advanced engineering and design methods, impeccable TIG welds, proficiency in furnace brazing, and triple pressure testing for quality have earned their excellent reputation in performance cooling worldwide.

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 Koyorad 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.

Weight6.9 kg
Dimensions64.8 × 64 × 29.5 cm


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Models suitable for this product

MazdaRX-71990 - 1992

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