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 |
| 1959-1966 |
Pontiac |
Bonneville |
Base |
| 1959-1962 |
Pontiac |
Bonneville |
Custom |
| 1959-1966 |
Pontiac |
Bonneville |
Safari |
| 1964-1966 |
Pontiac |
Catalina |
2+2 |
| 1959-1966 |
Pontiac |
Catalina |
Base |
| 1959-1966 |
Pontiac |
Catalina |
Safari |
| 1962-1966 |
Pontiac |
Catalina |
Ventura |
| 1962-1966 |
Pontiac |
Grand Prix |
Base |
| 1964-1966 |
Pontiac |
GTO |
Base |
| 1959-1966 |
Pontiac |
Star Chief |
Base |
| 1966 |
Pontiac |
Star Chief |
Executive |
| 1961,1963-1966 |
Pontiac |
Tempest |
Base |
| 1964-1965 |
Pontiac |
Tempest |
Custom |
| 1961 |
Pontiac |
Tempest |
LeMans |
| 1961,1963-1966 |
Pontiac |
Tempest |
Safari |
| 1960-1961 |
Pontiac |
Ventura |
Base |
