High-pressure radiator cap increases pressure rating of cooling system from .9 bar (13.0 lbs.) to 1.3 bar (18.9 lbs.). Allows for more efficient cooling under demanding conditions.
2004-2008 Forester XT, XT Premium, XT Limited & Sports
2002-2007 WRX; 2004-2007 WRX STI; 2002-2005 2.5 RS; 2006-2007 2.5i.
***Covered by part only warranty. Covers manufacturing defects only.