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 |
| 1987 |
Buick |
Regal |
GNX |
| 1984-1987 |
Buick |
Regal |
Grand National |
| 1987 |
Buick |
Regal |
Limited |
| 1983-1986 |
Buick |
Regal |
T-Type |
