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Old 07-30-2013, 01:12 AM   #5
subi400
Scooby Specialist
 
Member#: 216984
Join Date: Jul 2009
Chapter/Region: NWIC
Location: Hayden, ID
Vehicle:
1996 Impreza outback
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The only 2.5 NA head that you can put on a 2.2 block is the ej25D head from the 97-98 legacy gt, 98 rs, and 98 forester. This is because of the clover leaf pattern in the combustion chamber of the heads and how it actually measures 97mm across which is what the 2.2 bore is.
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