S-Type Fits - most Nissan, Subaru, Mazda, Some Toyota, Mitsubishi (late model, 10th Gen Honda), Koyo Radiators - please see picture to match radiator cap type. Made in Japan JDM Version - high-pressure radiator caps are OEM style caps that directly replace the factory cap. Radiator Caps have a main valve pressure rating of 127kpa 1.3kg/cm2 which allows for a higher boiling point. A higher boiling point ensures protection against over heating and also ensures your car maximum coolant flow at higher temperatures. Two types are available to fit most Japanese vehicles.
