Set of (4) Spark Plugs is a direct fit for the following:
2009-2013 Subaru Forester XT
2008-2010 Subaru Impreza GT Turbo
2008-2014 Subaru Impreza WRX
2008-2018 Subaru Impreza WRX STI
2005-2009 Subaru Legacy GT
2005-2009 Subaru Outback XTFits: 2.5L-H4 DOHC Turbocharged Engines
Subaru Part Number: 22401AA670 (x4)