Upgrading to a high pressure 1.6 bar, 1.8 bar or 2.1 bar from the stock radiator cap is the simplest and least expensive way to avoid over-boiling your engine. Raising your cooling system’s maximum operating pressure increases your coolant’s boiling point, allowing you to ride harder and longer. High-temperature, corrosion-resistant silicone seals. Universal fit for most Japanese models.
