EJ20G. Looks like an RS Liberty/Legacy or early WRX motor.

Have a look at the top of the heads to be sure.
2 bolt coil pack = RS Liberty/Legacy
1 bolt coil pack = early WRX

Im just going by the intake manifold though. It could even be a 97-98 WRX ej20 motor. Intake manifolds are interchangeable.

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RS Liberty - Because WRX's are only good for parts...