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:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2018 | Ford | Mustang | Shelby GT350 |
| 2015-2018 | Ford | Mustang | Shelby GT350R |