The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.

This Part Fits:

Year	Make	Model	Submodel
2004-2006	Subaru	Baja	Turbo
2008	Subaru	Forester	Sports 2.5 XT
2009-2013	Subaru	Forester	X Limited
2009-2013	Subaru	Forester	X Premium
2004-2005	Subaru	Forester	XT
2007,2009-2010	Subaru	Forester	XT Limited
2003-2012	Subaru	Impreza	WRX
2006-2007,2010-2014	Subaru	Impreza	WRX Limited
2009-2014	Subaru	Impreza	WRX Premium
2004-2014	Subaru	Impreza	WRX STI
2007,2011-2014	Subaru	Impreza	WRX STI Limited
2010	Subaru	Impreza	WRX STI Special Edition
2006-2007	Subaru	Impreza	WRX TR
2003-2006	Subaru	Legacy	GT
2005,2007-2009	Subaru	Legacy	GT Limited
2006-2009	Subaru	Legacy	GT spec.B
2005-2009	Subaru	Outback	XT Limited
1996-1999	Toyota	4Runner	Limited
1996-1999	Toyota	4Runner	SR5
1995,1998	Toyota	T100	Base
1996-1997	Toyota	T100	DLX
1995	Toyota	T100	DX
1995	Toyota	T100	One-Ton DLX
1995-1998	Toyota	T100	SR5
1995-1999	Toyota	Tacoma	Base
1998	Toyota	Tacoma	DLX
1998-1999	Toyota	Tacoma	Limited
1998-1999	Toyota	Tacoma	Pre Runner
1995-1999	Toyota	Tacoma	SR5
2000	Toyota	Tundra	Base
2000	Toyota	Tundra	SR5