Interchange Part Number: For Impreza STI WRX Forester EJ20 EJ25 EJ255 EJ257Other Part Number: 550cc 560cc 565ccFitment For:2006-2014 SubaruImpreza WRX2.5L2006-2013 SubaruForester XT2.5L2012 SubaruLegacy 2.5GT2.5L2008-2011 SubaruImpreza 2.5L H4 Turbocharged EJ2552008-2011 SubaruImpreza 2.5L H4 Turbocharged EJ2572008-2010 SubaruImpreza DOHC EJ2552008-2010 SubaruImpreza DOHC EJ2572006-2007 SubaruImpreza 2.5L H4 Turbocharged EJ2552007 SubaruImpreza 2.5L H4 Turbocharged EJ2572008-2011 SubaruForester 2.5L H4 Turbocharged EJ2552007-2009 SubaruForester2.5L H4 DOHC EJ2552006-2007 SubaruForester 2.5L H4 Turbocharged EJ2551.Fully compatible/drop-in fuel injectors for Subaru WRX 2002-2014, STI 2007-2015, Legacy GT 2007-2012 as well as many other Subaru applications that utilize top feed fuel injectors.2.Injectors are also considered an upgrade for other applications such as for Mazda Miata, Mazda RX8/RX-8, Mitsubishi 3G Eclipse (2000-2005), Mitsubishi 4G Eclipse (2006-2012) as well as other platforms.