Cosworth Blueprinted Oil Pump Subaru WRX STI EJ20 EJ25 02+ description
Cosworth Blueprinted Oil Pump Subaru WRX STI EJ20 EJ25 02+
Each pump is disassembled and inspected. Oil galleys are then honed to ensure unobstructed flow. We then incorporate a modified pressure relief valve to maintain pressure stability throughout the rpm range. Note: Flow rate is unchanged. This is an essential item on any high performance engine.
Includes High pressure relief valve and Installation Kit.
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