Use of this cap vs stock will raise the boiling point of your coolant. It is constructed with a reinforced pressure valve spring with silicon seals to ensure performance and reliability. Stainless steel construction makes it resistant to corrosion.
Imported directly from Japan.
This Part Fits
- 2015-2019 STI Prova 1.3 Bar Radiator Cap
- 2015-2019 WRX Prova 1.3 Bar Radiator Cap
|Additional Warranty Information||No|
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