This is that same pump that come stock on the 08 STi. It will fit all WRX and STi 2.5L EJ25 Motors. This is a 11mm pump that flows more volume then the standard pumps of the 04-07 STi perfect upgrade for when you are building the motor or changing the timing belt.
|Increased Pressure Over stock:||No|
|Increased Volume Over Stock:||No|
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