HKS Radiator Cap Nissan S-Type - 13lbs / 0.9 Bar

Rated: 12.8lbs = 88kPa = 0.9kgf/cm2

Comparison Note:
OEM Nissan radiator caps are rated at 0.9kg/cm (12.8lbs) and 1.2kg/cm (17lbs) for turbo
(Higher Pressure rating caps increase the boiling point to improve heat transfer)
for every 1 PSI increase in the radiator cap's pressure rating, the boiling point of the coolant increases by 3 degrees