Koyo - Radiator Cap - Universal

KoyoSKU: SK-C13

Sale price$41.00

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Koyorad Universal Radiator cap

Hyper Red - A-Type - For all Koyorad Radiators

1.3kgf/cm Pressure Rating

Optimize your cooling performance with the Koyorad Hyper Radiator Cap, recommended for intelligent tuners seeking maximum efficiency from their performance machines. The 1.3 bar Koyorad Hyper Cap (part number SK-C13) is highly recommended for use with Koyorad All Aluminum Racing Radiators, providing superior quality and increased pressure to help reduce engine heat. Made in Japan with top-quality components, this cap can withstand an open valve pressure of 1.3kg cm2, adding both durability and style under the hood.

Why is increased Pressure Better?

It’s simple. When water is pressurized, its natural boiling point is increased. Most modern vehicles are equipped with a 0.9 Bar pressure cap. 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 perfromance under ever-changing racing conditions.

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