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Koyo 1.3 Bar High Pressure Hyper Radiator Cap

Koyo 1.3 Bar High Pressure Hyper Radiator Cap

$ 25.00

Fits these Applications:
  • All Koyo Aluminum Radiators with Fill Necks and most Aftermarket Radiators
  • 2003-2006 Mitsubishi Lancer Evolution VIII-IX
  • 2008-2015 Mitsubishi Lancer Evolution X
  • 1990-1999 DSM (Mitsubishi Eclipse GST & GSX, Talon TSi & Laser Turbo)
  • 2002+ Subaru WRX & STi

Koyorad’s Hyper Cap is rated at 1.3 Bar which increases the boiling temperature of your coolant to 267.80 degrees Fahrenheit. That is nearly a 56 degree increase over water's normal boiling point. By increasing the boiling point of water, an engine's cooling system will have the added heat capacity, maximizing performance under ever-changing racing conditions.

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