
Part Number: KK3928
This is a genuine Cosworth Blueprinted Oil Pump with the High Pressure Modification for Subaru WRX & STi EJ20 / EJ257 Engines. It comes with the install kit and is a direct bolt on replacement to help the oiling issues that Subarus are plagued with from the factory. There are multiple oil pumps available from Cosworth and this one is their most popular model.