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	Lexus	GX470	Base
1998-2000	Lexus	LX470	Base
2004	Toyota	4Runner	Limited
2004	Toyota	4Runner	Sport
2004	Toyota	4Runner	SR5
1989-1992	Toyota	Celica	All Trac
1998	Toyota	Land Cruiser	Base
1991-1994	Toyota	MR2	Turbo
2001-2004	Toyota	Sequoia	Limited
2001-2004	Toyota	Sequoia	SR5
2001-2004	Toyota	Tundra	Limited
2001-2004	Toyota	Tundra	SR5