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


This Part Fits:

Year	Make	Model	Submodel
2005-2009	Ford	Mustang	GT
1949-1954	Jaguar	XK120	Base
1952-1954	Jaguar	XK120	M
1955-1957	Jaguar	XK140	Base
1955-1957	Jaguar	XK140	M
1955-1957	Jaguar	XK140	MC
1958-1961	Jaguar	XK150	Base
1958-1961	Jaguar	XK150	S