The JDM 12mm Oil Pump will have a higher oil flow rate for those who are making more power in the Subaru STI.
Subaru OEM 12mm JDM Oil Pump
Specs:
Genuine Subaru JDM component
The JDM version has a higher flow rate
A great upgrade for those building a high boost, high HP engine
12mm pump size when compared to the 10mm and 11mm USDM oil pump
GET HIGHER OIL FLOW
The Subaru JDM 12mm Oil Pump has a higher flow rate when compared to the USDM 11mm and smaller oil pumps. The JDM Oil Pump is a must-have for those of you who plan on making more than 450 WHP and need the right amount of fuel flow to prevent oil starvation issues under high-RPM use. This oil pump is a direct replacement for your factory oil pump, and makes for an excellent upgrade for those of you who are rebuilding your engine.