Nitrate Hardened Crankshaft is a direct fit for the following:

2004-2018 Subaru Impreza WRX STI

2006-2014 Subaru Impreza WRX

2006-2013 Subaru Forester XT Turbo

2006-2007 / 2010-2012 Subaru Legacy GT Turbo

2006-2007 Subaru Outback XT Turbo

Direct Fit For All EJ257 and EJ255 Engines!
The crank is salt-bath nitrated to be extremely hard and reduce the chances of wear and damage from foreign material.

Genuine Subaru Part Number: 12200AA430