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Old 06-11-2009, 09:14 AM   #2
Scooby Specialist
Member#: 94902
Join Date: Aug 2005
Chapter/Region: NESIC
Location: Merrimack, NH
2009 WRX Hatch
Dark Gray


Subaru stocks 0.010" and 0.020" standard overbore pistons (or at least they do for the EJ22). They were really cheap for my car too, only $45 or so apiece.

I doubt you'll find much of an aftermarket that would make 0.040" over pistons and be sure they have the same or greater weight as stock, but STis do get a lot more aftermarket attention. At the very least, they won't be as good a value as the Subaru ones.
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neilschelly is offline   Reply With Quote