All the Parts you need to do your timing belt right, the first time.
EJ205 2.0L WRX 2002-2005
EJ255 2.5 WRX, Forester XT, Legacy GT, Outback XT (up to 2014)
EJ257 2004-2011 STi
Add the Water Pump Kit which includes the thermostat and proper gaskets
Add the Accessory Drive Belt kit ( Power steering/Alternator and Ac belts)