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 |
| 2011 |
Buick |
Regal |
CXL |
| 2012-2013 |
Buick |
Regal |
GS |
| 2012-2013 |
Buick |
Regal |
Premium |
| 2010 |
Chevrolet |
HHR |
SS |
