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
2011-2016
Ford
F-150
XL
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
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