NISMO Racing Radiator Cap maintains a higher internal pressure for the cooling system than the standard cap (Valve opening pressure : 0.9kg/cm21.2kg/cm2for Z32). It prevents the coolant from boiling and vaporizing easily (the boiling point is approximatery 6 higher than the standard caps 0.9kg/cm2threshold) and improves cooling efficiency.
Only logged in customers who have purchased this product may leave a review.