Once you start adding mods to your vehicle, you can run into oiling issues. Brand new genuine Subaru Spec C part will help you to avoid them. This is a good upgrade for all EJ20 and EJ25 engines.
12mm oil pump flows 20% higher volume than the stock 10mm, also maintains higher pressure at speed. 10-11mm oil pumps can be used only in not modyfied engines.
Spec C oil pump recommended for all turbocharged WRX, STI, LGT, and FXT that are making more than 350hp.
An absolute must if RPM is more than 7000.
