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This is the factory Connecting Rod that comes in the STI's 2.5 liter EJ257 engine. They are sold individually, or as a set of 4. Perfect if you are rebuilding a wounded engine, or putting a new one together from scratch.
Also, make sure that you get Cosworth Engine Bearings or ACL Engine Bearings to go with this, no matter what build you are doing.
The Subaru part number for the 2004 - 2007STI Connecting Rod is 12100AA181. The Subaru part number for the 2008 - 2012 STI Connecting Rod is 12100AA291. Single Rod 2004 - 2007 STI Rod
Single Rod 2008 - 2012 STI Rod
Set of 4 2004 - 2007 STI Rods
Set of 4 2008 - 2012 STI Rods
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