The Power Enterprise high pressure raidiator cap helps the coolant flow better. It has pressure capacity of 1.3 x 100kpa(1.3kg/cm2), while conventional cap has 0.9kg/cm2, this means the coolants boiling point can be raised by use of Power's radiator cap. It greatly performs on circuit racing of course, when overheating in a hot environment. Available in two types ,T and N.