Stainless Steel Performance Radiator Cap 1.1 Kg/cm2 Type-B Fit MOST Toyota, Lexus, Honda, Acura or other vehicle using the same type of radiator cap 1.1 Kg/cm2 ; 0.11Mpa ; 108kPa Releases at higher cooling system pressures than factory caps Raises the coolant boiling point to protect engines under high RPM or high load operation