The valve opening pressure has been changed from the standard 108kPa (0.108MPa) to 130kPa (0.13MPa). Prevents overflow due to thermal expansion of cooling water even under harsh conditions such as sports driving and circuit driving.
Compared to the conventional product, the unit notation of valve opening pressure was changed from bar to Mpa and the design was revised.

SKU ST45137ST001
Brand STI

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