When you buy a Koyo radiator, you will receive a component that has been engineered to the highest standards Most modern vehicles are equipped with a 0., 9 Bar pressure cap. Performance Cooling Cap 9/o - Finance Koyo SK-C13 Radiator Cap | Buy Now, Pay Later 1.3 Bar Radiator Cap The Koyorad Hyper Cap is made in Japan with the highest quality components ensuring the best possible performance from your Koyorad Racing radiator. Koyo Hyper Red 1.3 Bar Radiator Cap - SK-C13 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. When water is pressurized, its natural boiling point is increased. Koyo's process assures that each Koyo OE aftermarket ************************************************************* radiator arrives safely and performs perfectly in the hands of the shop and end user That is nearly a 56 degree increase over water's normal boiling point. *Why is increased Pressure Better?* It's simple. Koyo Radiator Cap Subaru BRZ | PRT Performance | Lewisville Auto Shop Koyorad highly recommends our 1., 3 bar Koyorad Hyper Cap (Koyo part number SK-C13) for use with Koyorad All Aluminum Racing Radiators (when applicable). Part # SK-C13 (RED label) Deep plunger fits all Koyorad radiators w/ filler necksExtract every ounce of cooling efficiency from Koyorad All Aluminum... Our quality begins with the careful testing in our R&D department, then to the manufacturing in Koyo’s privately owned ISO 9001 certified factories, and finally to our class leading packaging
